The Essentials Of Statistics A Tool For Social Research 4th Edition Joseph F. Healey - Solutions

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38. Five of the top-selling vehicles during 2006 were the Chevrolet Silverado/C/K pickup, Dodge Ram pickup, Ford F-Series pickup, Honda Accord, and Toyota Camry (WardsAuto.com, January 12, 2007). Data from a sample of 50 vehicle purchases are presented in Table 2.15.a. Develop a frequency and
37. The National Football League rates prospects position by position on a scale that ranges from 5 to 9. The ratings are interpreted as follows: 8–9 should start the first year; 7.0–7.9 should start; 6.0–6.9 will make the team as a backup; and 5.0–5.9 can make the club and contribute.
36. Refer to the data in Table 2.13.a. Prepare a scatter diagram of the data on EPS Rating and Relative Price Strength.b. Comment on the relationship, if any, between the variables. (The meaning of the EPS Rating is described in exercise 34. Relative Price Strength is a measure of the change in the
35. Refer to the data in Table 2.13.a. Prepare a crosstabulation of the data on Sales/Margins/ROE and Industry Group Relative Strength.b. Prepare a frequency distribution for the data on Sales/Margins/ROE.c. Prepare a frequency distribution for the data on Industry Group Relative Strength.d. How
34. Table 2.13 provides financial data for a sample of 36 companies whose stocks trade on the New York Stock Exchange (Investor’s Business Daily, April 7, 2000). The data on Sales/Margins/ROE are a composite rating based on a company’s sales growth rate, its profit margins, and its return on
33. Recently, management at Oak Tree Golf Course received a few complaints about the condition of the greens. Several players complained that the greens are too fast. Rather than react to the comments of just a few, the Golf Association conducted a survey of 100 male and 100 female golfers. The
32. Refer again to the crosstabulation of household income by educational level shown in exercise 31.a. Compute column percentages and identify the percent frequency distributions displayed. What percentage of the heads of households did not graduate from high school?b. What percentage of the
31. The following crosstabulation shows household income by educational level of the head of household (Statistical Abstract of the United States: 2002).a. Compute the row percentages and identify the percent frequency distributions of income for households in which the head is a high school
30. The following 20 observations are for two quantitative variables, x and y.a. Develop a scatter diagram for the relationship between x and y.b. What is the relationship, if any, between x and y?
29. The following data are for 30 observations involving two qualitative variables, x and y. The categories for x are A, B, and C; the categories for y are 1 and 2.a. Develop a crosstabulation for the data, with x as the row variable and y as the column variable.b. Compute the row percentages.c.
28. The 2004 Naples, Florida, mini marathon (13.1 miles) had 1228 registrants (Naples Daily News, January 17, 2004). Competition was held in six age groups. The following data show the ages for a sample of 40 individuals who participated in the marathon.49 33 40 37 56 44 46 57 55 32 50 52 43 64 40
27. Most major ski resorts offer family programs that provide ski and snowboarding instruction for children. The typical classes provide four to six hours on the snow with a certified instructor. The daily rate for a group lesson at 15 ski resorts follows (The Wall Street Journal, January 20,
26. The American Association of Individual Investors conducts an annual survey of discount brokers. The following prices charged are from a sample of 24 discount brokers (AAII Journal, January 2003). The two types of trades are a broker-assisted trade of 100 shares at $50 per share and an online
25. A psychologist developed a new test of adult intelligence. The test was administered to 20 individuals, and the following data were obtained.114 99 131 124 117 102 106 127 119 115 98 104 144 151 132 106 125 122 118 118 Construct a stem-and-leaf display for the data.
24. Construct a stem-and-leaf display for the following data. Use a leaf unit of 10.1161 1206 1478 1300 1604 1725 1361 1422 1221 1378 1623 1426 1557 1730 1706 1689
23. Construct a stem-and-leaf display for the following data.11.3 9.6 10.4 7.5 8.3 10.5 10.0 9.3 8.1 7.7 7.5 8.4 6.3 8.8
22. Construct a stem-and-leaf display for the following data.70 72 75 64 58 83 80 82 76 75 68 65 57 78 85 72
21. The Nielsen Home Technology Report provided information about home technology and its usage. The following data are the hours of personal computer usage during one week for a sample of 50 persons.4.1 1.5 10.4 5.9 3.4 5.7 1.6 6.1 3.0 3.7 3.1 4.8 2.0 14.8 5.4 4.2 3.9 4.1 11.1 3.5 4.1 4.1 8.8 5.6
20. The top 20 concert tours and their average ticket price for shows in North America are shown here. The list is based on data provided to the trade publication Pollstar by concert promoters and venue managers (Associated Press, November 21, 2003).
19. Sorting through unsolicited e-mail and spam affects the productivity of office workers. An InsightExpress survey monitored office workers to determine the unproductive time per day devoted to unsolicited e-mail and spam (USA Today, November 13, 2003). The following data show a sample of time in
18. NRF/BIG research provided results of a consumer holiday spending survey (USA Today, December 20, 2005). The following data provide the dollar amount of holiday spending for a sample of 25 consumers.1200 850 740 590 340 450 890 260 610 350 1780 180 850 2050 770 800 1090 510 520 220 1450 280 1120
17. What is the typical price for a share of stock for the 30 Dow Jones Industrial Average companies? The following data show the price for a share of stock to the nearest dollar in January 2006 (The Wall Street Journal, January 16, 2006).a. Prepare a frequency distribution of the data.b. Prepare a
16. Consider the following two frequency distributions. The first frequency distribution provides an approximation of the annual adjusted gross income in the United States (Internal Revenue Service, March 2003). The second frequency distribution shows exam scores for students in a college
15. A doctor’s office staff studied the waiting times for patients who arrive at the office with a request for emergency service. The following data with waiting times in minutes were collected over a one-month period.2 5 10 12 4 4 5 17 11 8 9 8 12 21 6 8 7 13 18 3 Use classes of 0–4, 5–9,
14. Consider the following data.8.9 10.2 11.5 7.8 10.0 12.2 13.5 14.1 10.0 12.2 6.8 9.5 11.5 11.2 14.9 7.5 10.0 6.0 15.8 11.5a. Construct a dot plot.b. Construct a frequency distribution.c. Construct a percent frequency distribution.
13. Construct a histogram and an ogive for the data in exercise 12.
12. Consider the following frequency distribution.
11. Consider the following data.14 21 23 21 16 19 22 25 16 16 24 24 25 19 16 19 18 19 21 12 16 17 18 23 25 20 23 16 20 19 24 26 15 22 24 20 22 24 22 20a. Develop a frequency distribution using classes of 12–14, 15–17, 18–20, 21–23, and 24–26.b. Develop a relative frequency distribution
10. Netflix, Inc., of San Jose, California, provides DVD rentals of more than 50,000 titles by mail.Customers go online to create an order list of DVDs they would like to view. Before ordering a particular DVD, the customer may view a description of the DVD and, if desired, a summary of
9. About 60% of small and medium-sized businesses are family-owned. A TEC International Inc. survey asked the chief executive officers (CEOs) of family-owned businesses how they became the CEO (The Wall Street Journal, December 16, 2003). Responses were that the CEO inherited the business, the CEO
8. Data for a sample of 55 members of the Baseball Hall of Fame in Cooperstown, New York, are shown here. Each observation indicates the primary position played by the Hall of Famers: pitcher (P), catcher (H), 1st base (1), 2nd base (2), 3rd base (3), shortstop (S), left field (L), center field
7. Leverock’s Waterfront Steakhouse in Maderia Beach, Florida, uses a questionnaire to ask customers how they rate the server, food quality, cocktails, prices, and atmosphere at the restaurant. Each characteristic is rated on a scale of outstanding (O), very good (V), good (G), average (A), and
6. The Nielsen Media Research television rating measures the percentage of television owners who are watching a particular television program. The highest-rated television program in television history was the M*A*S*H Last Episode Special shown on February 28, 1983.A 60.2 rating indicated that
5. In alphabetical order, the six most common last names in the United States are Brown, Davis, Johnson, Jones, Smith, and Williams (The World Almanac, 2006). Assume that a sample of 50 individuals with one of these last names provided the following data.Brown Williams Williams Williams Brown Smith
4. The top four primetime television shows were Law & Order, CSI, Without a Trace, and Desperate Housewives (Nielsen Media Research, January 1, 2007). Data indicating the preferred shows for a sample of 50 viewers follow.
3. A questionnaire provides 58 Yes, 42 No, and 20 no-opinion answers.a. In the construction of a pie chart, how many degrees would be in the section of the pie showing the Yes answers?b. How many degrees would be in the section of the pie showing the No answers?c. Construct a pie chart.d. Construct
2. A partial relative frequency distribution is given.SELF test Class Relative Frequency A .22 B .18 C .40 Dnumerical values shown for each sector can be frequencies, relative frequencies, or percent frequencies.a. What is the relative frequency of class D?b. The total sample size is 200. What is
1. The response to a question has three alternatives: A, B, and C. A sample of 120 responses provides 60 A, 24 B, and 36 C. Show the frequency and relative frequency distributions.
25. Table 1.8 shows a data set containing information for 25 of the shadow stocks tracked by the American Association of Individual Investors (aaii.com, February 2002). Shadow stocks are common stocks of smaller companies that are not closely followed by Wall Street analysts. The data set is also
24. A sample of midterm grades for five students showed the following results: 72, 65, 82, 90, 76. Which of the following statements are correct, and which should be challenged as being too generalized?a. The average midterm grade for the sample of five students is 77.b. The average midterm grade
23. Nielsen Media Research conducts weekly surveys of television viewing throughout the United States, publishing both rating and market share data. The Nielsen rating is the percentage of households with televisions watching a program, while the Nielsen share is the percentage of households
22. In the fall of 2003, Arnold Schwarzenegger challenged Governor Gray Davis for the governorship of California. A Policy Institute of California survey of registered voters reported Arnold Schwarzenegger in the lead with an estimated 54% of the vote (Newsweek, September 8, 2003).a. What was the
21. A seven-year medical research study reported that women whose mothers took the drug DES during pregnancy were twice as likely to develop tissue abnormalities that might lead to cancer as were women whose mothers did not take the drug.a. This study involved the comparison of two populations.
20. A survey of 131 investment managers in Barron’s Big Money poll revealed the following(Barron’s, October 28, 2002):43% of managers classified themselves as bullish or very bullish on the stock market.The average expected return over the next 12 months for equities was 11.2%.21% selected
19. ABusinessWeek North American subscriber study collected data from a sample of 2861 subscribers. Fifty-nine percent of the respondents indicated an annual income of $75,000 or more, and 50% reported having an American Express credit card.a. What is the population of interest in this study?b. Is
18. A survey of 430 business travelers found 155 business travelers used a travel agent to make the travel arrangements (USA Today, November 20, 2003).a. Develop a descriptive statistic that can be used to estimate the percentage of all business travelers who use a travel agent to make travel
17. A manager of a large corporation recommends a $10,000 raise be given to keep a valued subordinate from moving to another company. What internal and external sources of data might be used to decide whether such a salary increase is appropriate?
16. The marketing group at your company developed a new diet soft drink that it claims will capture a large share of the young adult market.a. What data would you want to see before deciding to invest substantial funds in introducing the new product into the marketplace?b. How would you expect the
15. The Food and Drug Administration (FDA) reported the number of new drugs approved over an eight-year period (The Wall Street Journal, January 12, 2004). Figure 1.9 provides a bar graph summarizing the number of new drugs approved each year.a. Are the data qualitative or quantitative?b. Are the
14. CSM Worldwide forecasts global production for all automobile manufacturers. The following CSM data show the forecast of global auto production for General Motors, Ford, DaimlerChrysler, and Toyota for the years 2004 to 2007 (USA Today, December 21, 2005).Data are in millions of vehicles.
13. Figure 1.8 provides a bar graph summarizing the earnings for Volkswagen for the years 1997 to 2005 (BusinessWeek, December 26, 2005).a. Are the data qualitative or quantitative?b. Are the data time series or cross-sectional?c. What is the variable of interest?d. Comment on the trend in
12. The Hawaii Visitors Bureau collects data on visitors to Hawaii. The following questions were among 16 asked in a questionnaire handed out to passengers during incoming airline flights in June 2003.This trip to Hawaii is my: 1st, 2nd, 3rd, 4th, etc.The primary reason for this trip is: (10
11. State whether each of the following variables is qualitative or quantitative and indicate its measurement scale.a. Annual salesb. Soft drink size (small, medium, large)c. Employee classification (GS1 through GS18)d. Earnings per sharee. Method of payment (cash, check, credit card)
10. The Wall Street Journal subscriber survey (October 13, 2003) asked 46 questions about subscriber characteristics and interests. State whether each of the following questions provided qualitative or quantitative data and indicate the measurement scale appropriate for each.a. What is your age?b.
9. The Commerce Department reported receiving the following applications for the Malcolm Baldrige National Quality Award: 23 from large manufacturing firms, 18 from large service firms, and 30 from small businesses.a. Is type of business a qualitative or quantitative variable?b. What percentage of
8. The Gallup organization conducted a telephone survey with a randomly selected national sample of 1005 adults, 18 years and older. The survey asked the respondents, “How would you describe your own physical health at this time?” (http://www.gallup.com, February 7, 2002). Response categories
7. The Ritz-Carlton Hotel used a customer opinion questionnaire to obtain performance data about its dining and entertainment services (The Ritz-Carrolton Hotel, Naples, Florida, February 2006). Customers were asked to rate six factors: Welcome, Service, Food, Menu Appeal, Atmosphere, and Overall
6. Columbia House provides CDs to its mail-order club members. A Columbia House Music Survey asked new club members to complete an 11-question survey. Some of the questions asked were:a. How many CDs have you bought in the last 12 months?b. Are you currently a member of a national mail-order book
5. Consider the data set for the sample of 10 minisystems in Table 1.7.a. How many variables are in the data set?b. Which of the variables are quantitative and which are qualitative?c. What is the average CD capacity for the sample?d. What percentage of the minisystems provides an FMtuning rating
4. All-in-one sound systems, called minisystems, typically include an AM/FM tuner, a dualcassette tape deck, and a CD changer in a book-sized box with two separate speakers. The data in Table 1.7 show the retail price, sound quality, CD capacity, FM tuning sensitivity and selectivity, and the
3. Refer to Table 1.6.a. What is the average number of rooms for the nine hotels?b. Compute the average overall score.c. What is the percentage of hotels located in England?d. What is the percentage of hotels with a room rate of $$?
2. Condé Nast Traveler magazine conducts an annual survey of subscribers in order to determine the best places to stay throughout the world. Table 1.6 shows a sample of nine European hotels(Condé Nast Traveler, January 2000). The price of a standard double room during the hotel’s high season
1. Discuss the differences between statistics as numerical facts and statistics as a discipline or field of study.
SOC/PS In Problem 12.13, you analyzed the relationships between voter turnout (Voters), education (College), and affluence (MdHHInc) for the States database.Now, analyze the combined effects of the independent variables on turnout. With the States database open:● Click Analyze S Regression S
PS Use the Intl-Pop database to analyze the correlates of political and civil rights (Rights). Take affluence and income inequality as the independent variables and look at their combined effects on Rights.NOTE: “Rights” is scored so that lower scores mean greater freedom.● Click Analyze S
SOC In Problem 12.11, you used the Intl-Pop database to analyze the bivariate relationships between cell phone usage, affluence (gross national income per capita), and urbanization. Now, you will take affluence and urbanization as the independent variables and look at their combined effects on cell
SOC In Problem 12.8, you used the States database to analyze the bivariate relationships between region(South/Non-South), education (percentage of the population with a college degree), and infant mortality rates. Now, you will take education and region as the independent variables and look at
SOC/CJ Use the States data set to analyze the rate of car theft (Carthft12). The independent variables will be population density (Popdense) and unemployment rate (Unemployment)● Click Analyze S Regression S Linear.● Move Carthft12 to the “Dependent” window and Popdense and Unemployment to
SOC/CJ Use the States data set to analyze the homicide rate (Hom12). The independent variables will be population density (Popdense) and unemployment rate (Unemployment)● Click Analyze S Regression S Linear.● Move Hom12 to the “Dependent” window and Popdense and Unemployment to the
SOC Load the GSS2012 data set and analyze the relationships between number of hours spent on the Internet each week (the dependent or Y variable), and two independent variables: age and years of education. We will use both partial correlation and multiple regression and correlation to examine these
SOC Load the GSS2012 data set and analyze the relationships between church attendance (the dependent or Y variable), and two independent variables: age and number of children. You analyzed some of these relationships in Problem 12.7. Now, we will use both partial correlation and multiple regression
SW Twelve families have been referred to a counselor, and she has rated each of them on a scale that measures family cohesiveness. Also, she has information on family income and number of children currently living at home. Take family cohesion as the dependent variable.family Cohesion Score income
PS Problem 12.4 presented data on ten precincts.The information is reproduced here.Precinct Percentage democrat Percentage Minority Percentage voter Turnout a 33 9 36 B 78 15 60 C 62 18 64 d 50 10 56 E 45 12 55 F 56 8 52 g 85 20 25 h 25 0 42 i 13 5 89 J 33 9 88 Take voter turnout as the dependent
SOC In problem 12.1, data regarding voter turnout in five cities was presented. For the sake of convenience, the data for three of the variables are presented again here along with descriptive statistics and zeroorder correlations.a. Compute the partial correlation coefficient for the relationship
SOC/PS What are the correlates of voter turnout?Use the States database with Voters (percentage of the population voting for president in 2012) as the dependent variable and College (percent of the population with a college degree) and MdHHInc (median household income—a measure of affluence) as
SOC Follow up on problem 12.11 by finding the regression coefficients for the relationship between cell phone use and urbanization. Use the Intl-Pop dataset and the Regression command.● Load the Intl-Pop database.● From the main menu bar, click Analyze, Regression, and Linear.● On the
SOC Use the Intl-Pop dataset and the Correlate command to explore some of the correlates of cell phone use around the globe. Use CellPhones (the number of cell phone subscribers per 100 population), GNIcap (Gross National Income per capita—this is a measure of affluence), and Urban (percentage of
SOC/CJ Follow up on problem 12.9 by finding the regression coefficients for the relationship between homicide rate and unemployment. Use the States data set and the Regression command.● Load the States database.● From the main menu bar, click Analyze, Regression, and Linear.● On the “Linear
SOC/CJ Use the States dataset and the Correlate command to explore some of the correlates of crime.Use two measures of crime in 2012 as dependent variables: the homicide rate (Hom12) and the rate of auto theft (Carthft12). Examine the relationships of these variables with three possible independent
SOC Load the States dataset and use the Correlate command to get correlations between SthDUMMY(South/Non-South), College (percentage of the state’s population with at least a college degree), TrafDths11 (the rate of traffic fatalities in 2011), Internet (the percentage of households using the
SOC Load the GSS2012 data set and use the Correlate command to get correlations between age (the independent or X variable) and four dependent (or Y) variables: church attendance (attend), number of children (childs), self-rated social position (rank), and hours of TV watching each day
SOC Load the Intl-Pop data set and get scatterplots for the independent variable GNIcap (Gross National Income per capita, a measure of affluence) and each of these dependent variables: BirthRate (birth rate or number of births per 1000 population), DthRate(death rate or number of deaths per 1000
SOC The basketball coach at a small local college believes that his team plays better and scores more points in front of larger crowds. The number of points scored and attendance for all home games last season are reported here. Do these data support the coach’s argument?Game Points Scored
PS The following variables were collected for a sample of ten precincts during the last national election. Compute r and r 2for each combination of variables and write a paragraph interpreting the relationship between these variables. Take voter turnout as the dependent variable.Precinct Percentage
GER The residents of a housing development for senior citizens have completed a survey in which they indicated how physically active they are and how many visitors they receive each week. Are these two variables related for the ten cases reported here?Compute r and r 2. Find the least-squares
SOC Occupational prestige scores for a sample of fathers and their oldest son and oldest daughter are presented in the following table.Analyze the relationship between father’s and son’s prestige and the relationship between father’s and daughter’s prestige. For each relationship,a. Compute
is highly recommended. If you constructed one for computingb, you already have most of the quantities you will need to solve for r.)d. Describe the strength and direction of each relationship in a sentence or two. Which of the independent variables had the strongest effect on turnout?City
is highly recommended.)b. State the least-squares regression line and predict the voter turnout for a city in which the unemployment rate was 12%, a city in which the average years of schooling was 11, and an election in which 90% of the ads were negative.c. Compute r and r2. (HINT: A computing
PS Why does voter turnout vary from election to election? For municipal elections in five different cities, information has been gathered on the percentage of citizens who voted (the dependent variable)and three different independent variables: unemployment rate, average years of education for the
SOC and PS In this problem, you will use Spearman’s rho to analyze the relationship between two variables in the Intl-POP database. The first variable (rights) measures the extent of civil and political rights in a nation and the second (corruption) measures the level of corruption in the public
SOC In problem 10.16, you used Crosstabs to analyze the relationship between gender and fear of walking alone at night (fear), support for capital punishment (cappun), and job satisfaction (satjob). Now, we will add measures of association to the analysis.● Click the SPSS icon on your desktop.●
SOC Twenty ethnic, racial, or national groups were rated by a random sample of white and black students on a Social Distance Scale. Lower scores represent less social distance and less prejudice.How similar are these rankings?
SOC Following are the scores of a sample of 15 nations on a measure of ethnic diversity (the higher the number, the greater the diversity) and a measure of economic inequality (the higher the score, the greater the inequality). Are these variables related? Are ethnically diverse nations more
SOC Eleven neighborhoods have been rated by an urban sociologist on a “quality-of-life” scale(which includes measures of affluence, availability of medical care, and recreational facilities) and a social cohesion scale. The results are presented here in scores. Higher scores indicate higher
SW A sample of children has been observed and rated for symptoms of depression. Their parents have been rated for level of alcohol use. Is there any relationship between these variables? Write a few sentences stating your conclusions.Symptoms of Depression Level of Alcohol Use Low Moderate High
PA All applicants to the Police Academy are given an aptitude test, but the test has never been evaluated to see if test scores are in any way related to job performance. Describe the strength and direction of the relationship in a sentence or two. Should the test continue to be administered? Why
PA Various supervisors in the city government of Shinbone, Kansas, have been rated on the extent to which they practice authoritarian styles of leadership and decision making. The efficiency of each department has also been rated, and the results are summarized in the following table. Use column
SOC A small sample of non-English-speaking immigrants to the United States has been interviewed about their level of assimilation. Is the pattern of adjustment affected by length of residence in the United States? For each table compute gamma and summarize the relationship in terms of strength and
PS Below are some of the tables you analyzed in problem 10.17. You already have the results of the chi square tests. Now, analyze these relationships in terms of association, using an appropriate measure of association. Write a paragraph summarizing your results.a. Presidential preference and
SOC Below are the four dependent variables crosstabulated against gender. Analyze these relationships with column percentages, the maximum difference, and an appropriate measure of association. Summarize the results of your analysis in a paragraph that describes the strength and pattern of each

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The Essentials Of Statistics A Tool For Social Research 4th Edition Joseph F. Healey - Solutions

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