New Semester
Started
Get
50% OFF
Study Help!
--h --m --s
Claim Now
Question Answers
Textbooks
Find textbooks, questions and answers
Oops, something went wrong!
Change your search query and then try again
S
Books
FREE
Study Help
Expert Questions
Accounting
General Management
Mathematics
Finance
Organizational Behaviour
Law
Physics
Operating System
Management Leadership
Sociology
Programming
Marketing
Database
Computer Network
Economics
Textbooks Solutions
Accounting
Managerial Accounting
Management Leadership
Cost Accounting
Statistics
Business Law
Corporate Finance
Finance
Economics
Auditing
Tutors
Online Tutors
Find a Tutor
Hire a Tutor
Become a Tutor
AI Tutor
AI Study Planner
NEW
Sell Books
Search
Search
Sign In
Register
study help
business
business statistics
Social Statistics Managing Data Conducting Analyses Presenting Results 3rd Edition Thomas J. Linneman - Solutions
Consider the following time series:Period Sales Period Sales Period Sales 1 37 6 29 11 18 2 30 7 24 12 16 3 22 8 17 13 21 4 28 9 22 14 17 5 25 10 24 15 15a. Use PHStat and set a = 0.05 to test this time series for positive autocorrelation.b. Verify your Durbin–Watson statistic using
According to the National Association of Theatre Owners, the average U.S. ticket price has been steadily increasing over the past several years. The following data show the average price during an eight-year period. These data can also be found in the Excel file average ticket price.xlsx.Year Price
Dave is a manager of a local AT&T Wireless retail store. He would like to forecast the number of customers walking into his retail store per day to improve his staffing decisions. The following data show the number of customers who entered Dave’s store during the last eight days. These data can
Answer the following questions using the data from the Excel file Toys Unlimited.xlsx from Problem 16.49.a. Forecast Toys Unlimited sales for each quarter next year using a multiple regression with seasonal dummy variables.b. Interpret the meaning of the coefficients for the seasonal dummy
Consider the following partially completed one-way ANOVA summary table:Source Sum of Squares Degrees of Freedom Mean Sum of Squares F Between 4 Within 60 Total 76 24a. Complete the remaining entries in the table.b. How many population means are being tested?c. Using a = 0.05, what conclusions can
Consider the following data collected from three independent populations:Sample 1 Sample 2 Sample 3 10 20 7 14 17 15 7 14 9 11 21 17a. Calculate the total sum of squares (SST).b. Partition the total sum of squares (SST) into its two components.c. Using a = 0.05, what conclusions can be made
Using the data from Problem 11.2, determine which means are different using a = 0.05.AppendixLO1
Consider the following partially completed one-way ANOVA summary table:Source Sum of Squares Degrees of Freedom Mean Sum of Squares F Between 50 Within 20 Total 150 22a. Complete the remaining entries in the table.b. How many population means are being tested?c. Using a = 0.01, what conclusions can
Consider the following data collected from four independent populations:Sample 1 Sample 2 Sample 3 Sample 4 3 14 21 8 8 9 15 3 6 13 16 13 5 14a. Calculate the total sum of squares (SST).b. Partition the total sum of squares (SST) into its two components.c. Using a = 0.01, what conclusions can be
Using the data from Problem 11.5, determine which means are different using a = 0.01.Applications AppendixLO1
The Federal Aviation Administration (FAA) would like to determine if the average number of minutes that a plane departs late differs between airports in Philadelphia, Orlando, and Chicago. The following data were collected from randomly selected flights and indicate the number of minutes that each
The following table indicates the driving distance, in yards, from a random sample of drives for the pro golfers Phil Mickelson, Tiger Woods, and Jim Furyk. These data can also be found in the Excel file MWF.xlsx.Mickelson Woods Furyk 290 311 266 295 290 265 288 297 285 327 286 279 280a. Perform a
The following data show the number of pounds of bananas sold per week at the Avalon Grocery store when the banana display was positioned in the produce, milk, and cereal sections of the store. These data can also be found in the Excel file bananas.xlsx.Produce Milk Cereal 62 39 27 40 19 52 61 32 53
Avis Rent A Car maintains a fleet of low-mileage cars for its customer base. Suppose that Avis would like to promote the fact that its cars have a lower average mileage than that of its competitors in an advertising campaign.To support this claim, Avis has collected the following mileage data from
A consumer group would like to compare the satisfaction ratings of three fast-food restaurants: McDoogles, Burger Queen, and Windys. A random sample of satisfaction scores on a scale of 1–20 was collected from customers at each restaurant. These data can also be found in the Excel file fast
The following table shows the weight of randomly selected packages shipped by FedEx, UPS, and DHL. These data can also be found in the Excel file package weight.xlsx.FedEx UPS DHL 13.7 9.8 0.7 20.2 13.0 4.0 11.9 5.3 5.7 6.1 7.7 2.0 2.8 14.8 22.8 12.5 8.6 3.7 4.1 1.6 0.4 11.6 7.2 9.8a. Perform a
Recently, Las Vegas has seen increased competition from Singapore and Macau (China) for customers in the casino resort industry. One measurement of success is the average length of stay by visitors. The following data show the number of days a random sample of visitors stayed at each location.
Suppose a manager at a local Domino’s Pizza would like to determine if the average time it takes to deliver a pizza and return to the store differs for the four employees who make the deliveries. The following data show a random sample of the delivery times for each driver. These data can also be
Consider the following partially completed randomized block ANOVA summary table:Source Sum of Squares Degrees of Freedom Mean Sum of Squares FBetween 2 Block 105 7 Error 42 Total 183 23a. Complete the remaining entries in the table.b. How many population means are being tested?c. Using a = 0.05,
Consider the following data collected for a randomized block ANOVA:Block Sample 1 Sample 2 Sample 3 1 8 4 3 2 5 4 3 3 6 2 1 4 13 9 5a. Calculate the total sum of squares (SST).b. Partition the total sum of squares (SST) into its three components.c. Using a = 0.05, what conclusions can be made about
Using the data from Problem 11.16, determine which means are different from one another using a = 0.05.AppendixLO1
Consider the following partially completed randomized block ANOVA summary table:Source Sum of Squares Degrees of Freedom Mean Sum of Squares FBetween 72 6.0 Block 168 28.0 Error 18 Total 312 27a. Complete the remaining entries in the table.b. How many population means are being tested?c. Using a =
Consider the following data collected for a randomized block ANOVA.Block Sample 1 Sample 2 Sample 3 Sample 4 1 5 5 10 8 2 4 4 8 4 3 4 3 8 1 4 3 5 8 4 5 4 3 3 2a. Calculate the total sum of squares (SST).b. Partition the total sum of squares (SST) into its three components.c. Using a = 0.05, what
Using the data from Problem 11.19, determine which means are different using a = 0.05.Applications AppendixLO1
Suppose Gatorade has developed four new drink flavors and would like to conduct a taste test to collect data on customers’ preferences. Six people were asked to sample and rate each flavor on a scale of 1–20. The data are as follows and can be found in the file Gatorade.xlsx.Person Flavor 1
Suppose the Environmental Protection Agency (EPA)would like to investigate the impact that octane has on gas mileage. The following table shows the gas mileage for six cars that were driven 1,000 miles with three different grades of gasoline: 87, 89, and 93 octane. The gas mileage was recorded for
The superintendent of the Red Clay School District is concerned about the sick time taken by teachers and administrators.More specifically, she would like to know if there is a difference in the number of hours of sick time taken when comparing the days of the week. To investigate this, seven
Suppose Golf Magazine would like to do an article comparing the driving distances of various golf balls. Eight golfers were asked to hit Top Flite, Pinnacle, and Titleist golf balls with their drivers. The distance for each shot was measured in yards and is as follows. The file golf balls.xlsx also
Avon Products has a 24-hour distribution facility in Newark, Delaware, that fulfills orders for the cosmetic maker’s sales representatives. Orders are filled in one of three distribution lines. Random business days were selected, and the number of orders processed for each line over 4-hour
Bagel Boys is a chain that sells New York–style bagels at three locations. The owner of the chain would like to investigate if there is a difference in the number of bagels sold per day at each location. A random week was selected, and the number of bagels sold each day at each location was
Warehouse clubs such as Costco, BJ’s, and Sam’s Club compete with traditional supermarkets by advertising lower prices to customers who are willing to pay a membership fee and purchase in bulk quantities. Suppose a consumer group would like to investigate if warehouse clubs have different
Consider the following partially completed two-way ANOVA summary table:Source Sum of Squares Degrees of Freedom Mean Sum of Squares F Factor A 100 2 Factor B 2 Interaction 60 Error 450 45 Total 730 53a. Complete the remaining entries in the table.b. How many replications are present for each
Consider the following data collected for a two-way ANOVA:Factor A Factor B Level 1 Level 2 Level 3 Level 1 9 31 29 18 20 31 31 22 35 Level 2 21 22 34 23 27 33 13 21 23a. Using a = 0.05, is there significant interaction between Factors A and B?b. Using a = 0.05, are the Factor A means different?c.
Using the data from Problem 11.29, determine which means are different using a = 0.05, when warranted.AppendixLO1
Consider the following partially completed two-way ANOVA summary table:Source Sum of Squares Degrees of Freedom Mean Sum of Squares F Factor A 3 30.0 Factor B 20 2.0 Interaction 6 7.0 1.4 Error 72 Totala. Complete the remaining entries in the table.b. How many replications are present for each
Consider the following data collected for a two-way ANOVA:Factor A Factor B Level 1 Level 2 Level 3 Level 1 8 9 10 6 12 28 14 19 24 Level 2 28 31 25 10 21 36 16 19 33 Level 3 39 40 38 33 28 37 23 40 31a. Using a = 0.05, is there significant interaction between Factors A and B?b. Using a = 0.05, are
Using the data from Problem 11.32, determine which means are different using a = 0.05, when warranted.Applications AppendixLO1
Suppose the Robert H. Smith School of Business at the University of Maryland would like to compare the starting salaries for both men and women who graduated with different majors. The following data show starting salaries for random students from the most recent graduating class. These data can
The recent Wall Street Journal article titled “The Power of a Gentle Nudge” cited a Stanford University study that researched the motivation of people to exercise. Participants were placed in one of three groups. After stating an exercise program, people in the first group received a phone call
Urban traffic congestion throughout the world has been increasing in recent years, especially in developing countries.The following table shows the number of minutes that randomly selected drivers spent stuck in traffic in various cities on both weekdays and weekends. The data for this problem can
A credit score is a numerical value between 300 and 850 that measures a person’s creditworthiness. The following table shows the credit scores for randomly selected individuals from Texas, Pennsylvania, California, and Florida, who are grouped according to their ages. These data can also be found
Movie theater ticket prices have been increasing to accommodate the demand for movies formatted in 3D. The following data show the prices for adult tickets for three different movie formats in three different cities. These data can also be found in the file ticket prices.xlsx.Format 2D ($) 3D ($)
The following table shows the retirement ages for a random sample of retirees from four different countries according to their genders. These data can also be found in the file retirement.xlsx.Country Mexico Japan United States France Women 66 62 60 57 73 65 62 70 77 66 56 48 74 65 67 51 63 64 60
A critical factor in the successful operation in today’s hospital system is the effective staffing of emergency room (ER) personnel. In an effort to examine this issue, Wilmington Hospital would like to determine if the average number of emergency room visits differs over the three 8-hour shifts
Television advertisers base their investment decisions regarding the promotion of their products and services on demographic information about television viewers.The age of the viewers is a key factor in this process.The following table shows the number of hours that a random sample of individuals
Because most National Football League games are sold out, the secondary market, in which people resell their tickets, is very active during the season. The following table shows the price for secondary market tickets to the games of four NFL teams. These data can also be found in the Excel file NFL
Budget shortfalls in many states during the most recent recession placed a strain on education resources. One area that receives much attention from both parents and administrators is the number of students per teacher. Suppose the U.S. Department of Education would like to compare this ratio in
The following table shows the selling price of a random sample of residential homes, in thousands of dollars,at three beach communities in New Jersey. The homes are categorized by the real estate firm that is listing the home. These data can also be found in the Excel file beach.xlsx.Real Estate
Suppose Consumer Reports would like to conduct a study comparing the prices of televisions made by different manufacturers.The following data show the prices of a random sample of televisions for various screen sizes.These data can also be found in the Excel file Consumer Reports.xlsx.Size LG ($)
Mike is a restaurant owner and has read about the effect that music can have on the amount of time that customers stay at their tables for dinner. To test this effect, Mike made arrangements to play slow-paced music at his establishment on a busy Saturday night and recorded the time that customers
Suppose Scotts Lawn Care would like to test the effectiveness of four new grass fertilizers that it has developed. Each fertilizer is applied to identical-size sections of grass, and after a period of time the sections of grass are mowed. The weight of the grass clippings are used to measure the
You have been assigned to test the hypothesis that the average number of hours worked per week by employees differs between the United States, China, and Sweden.The following data show the number of hours that a random sample of employees worked last week in each country. These data can also be
One area that fast-food restaurants compete with one another is with the service time for the drive-through window.The following data show the drive-through service times, in minutes, for a random sample of customers at three fastfood chains. These data can also be found in the Excel file drive
The following data show customer satisfaction scores, on a scale of 1–20, for a chain of hair salons at three different locations during specific days of the week. The manager would like to investigate if a difference exists in satisfaction scores between these locations. These data can also be
The data in the following table represent the number of days that a random sample of homes in four price ranges were on the market before being sold for three different competing real estate companies in a local area. You have been assigned to test the hypothesis that the average number of days
Some research has indicated that diet programs may be more effective when the dieter reports their weight-loss progress publically to others. A consumer group organization would like to compare the average weight-loss for those that report their progress to those that do not report. This group
The Department of Labor (DoL) would like to investigate if there is a difference in the average number of hours worked per week by employees in the United States, China, and Sweden. DoL would also like to test if the age of the employee impacts the average number of hours worked per week. The
A possible contributor to rising health care costs in the United States is obesity, which is currently determined using a formula called body mass index (BMI). This index is calculated using the following formula:BMI =Weight1lbs2 * 703 1Height1in.222 A person with a BMI of 25 to 29 is classified as
Suppose the Department of Energy would like to compare residential utility bills for different cities in the United States. A random sample of households was selected, and their utility bills for the month were recorded. The number of bedrooms in the houses was also noted. These data can also be
Suppose the National Center for Education Statistics would like to investigate the effect that the education level for high school teachers and the state that employs them have on their salaries. Excel file high school salaries.xlsx contains salaries for a random sample of high school teachers from
Suppose the American Association of Retired Persons(AARP) would like to test if a difference exists in the average 401(k) balance between people in different age groups.A random sample of individuals in the 50–59, 60–69, and 70 or older was selected and their 401(k) balance was recorded.These
Many homeowners rely on handymen to perform small jobs, such as repairs or maintenance, around their residence.According to HomeAdvisor Inc., the average cost for a handyman project varies substantially between the cities of New York, Chicago, Denver, and Atlanta. To test this claim, a random
First, using the WVS dataset, run a regular regression model using IMMJOBS as the dependent variable and WORRYJOB as the independent variable. Then, imagine you didn’t have the IMMJOBS variable, and instead had only the IMMJOBS2CAT dichotomous variable. Run a logistic regression model using
First, using the WVS dataset, run a regular regression model using ETHDIVORCE as the dependent variable and RELIGIONIMP as the independent variable. Then, imagine you didn’t have the ETHDIVORCE variable, and instead had only the DIVORCE2CAT dichotomous variable.Run a logistic regression model
First, using the WVS dataset, run a regular regression model using PCUSE as the dependent variable and SAVING as the independent variable. Then imagine you didn’t have the PCUSE variable and instead had only the PCUSE2CAT dichotomous variable. Run a logistic regression model using PCUSE2CAT as
Use the PewSocialMedia dataset to run a set of nested logistic regression models using as your dependent variable whether or not the respondent’s cellphone is a smartphone. In your first model, use the recoded black/white race variable (XYracewb). In your second model, add the recoded income
Use the PewSocialMedia dataset to run a set of nested logistic regression models using as your dependent variable whether or not the respondent uses LinkedIn (XYuse5linkedin). In your first model, use the recoded sex variable and the recoded income variable. In your second model, add the recoded
Use the PewSocialMedia dataset to run a logistic regression using as your dependent variable whether or not the respondent uses Twitter(XYuse1twitter). For your independent variables, use age, the recoded education variable, and the black/white recoded race variable. Then, calculate predicted
Use the PewWorkPlay dataset to run a logistic regression equation with the recoded variable regarding looking for a job online (XYonlinejoblook). For your independent variables, use age, the recoded sex variable (XYsex) and the interaction between these two variables. Run appropriate examples, draw
Use the PewWorkPlay dataset to run a logistic regression equation with the recoded variable regarding whether the respondent agrees or disagrees that most videogame players are men (XYgameatt7). For your independent variables, use age, the recoded education variable (XYeduc) and the recoded “do
Use the PewWorkPlay dataset to run a logistic regression equation with the recoded variable regarding looking up directions online (XYusedirections).For your independent variables, use age, the recoded education variable(XYeduc) and the recoded black/white race variable (XYracewb). Run enough
Family income likely affects the probability that a child will have a smartphone: more money, higher probability. But does this probability change in the same way for white and black families? Using the PewKids dataset, run a logistic model with an interaction effect to find out. Create a table,
Use the PewKids data to run a logistic regression equation to see if being bullied online is affected by the other three types of bullying: in person, by phone, and by text message. Create a table of your model, and then address these questions: What is the probability of being bullied online if
The stereotype is that women are more concerned about their weight than men are concerned about their own weight. Is this true across the education spectrum? Using the PewHealth dataset, run a logistic regression model using the recoded “looked for information about weight on the
In the U.S. health care system, whether one has insurance is often related to one’s work status. Using the PewHealth dataset, run a logistic regression model that uses the dichotomously recoded health insurance variable as your dependent variable. First, use the work status reference-group
One of the crises within the healthcare system is the use of emergency rooms, where many people go for primary care instead of going to a typical doctor, particularly if they don’t have health insurance. Using the PewHealth dataset, run a logistic regression model that uses the recoded ER-usage
Blacks are less likely than whites to have health insurance. But is this because blacks tend to have lower incomes than whites do? Using the ANES data, run a logistic regression model with the recoded health insurance variable as your dependent variable and the recoded race(white/black) variable as
When people are asked, “Is the country on the right track?” some will think of economic issues, whereas others will think of social issues. Use the ANES recoded “right track/wrong track” variable as your dependent variable, and the Traditionalism Index and the Economic Optimism Index as
The ANES asks the respondent if she is married, and if she is not and there is another adult living in the household, they ask the respondent if she has a partner. Use the recoded marital status partner variable as your dependent variable in a logistic regression model. When you run the model,
Gun control is a highly controversial issue in the United States today. The ANES asks a question about gun control, and here is how the respondents weighed in:Make it more difficult: 49.2%Make it easier: 5.5%Keep these rules about the same: 45.3%I created a dichotomy with 0 = keep the same or
Only 42% of the ANES respondents say they have current passports. What explains whether one has a passport? First, we posit that political party has an effect. Then, we think it might be wise to control for income. Run a set of logistic regression nested models with the recoded passport variable as
The ANES asks people about their smoking behavior. I took these variables and created a dichotomous variable: 0 = don’t currently smoke, 1 =currently smoke. Use this as your dependent variable and these as your independent variables: family income in 1000s, gender (recoded version), recoded
how researchers used logistic regression to study attitudes toward global warming
how researchers used logistic regression to study the policing of protest
what odds ratios are
how to interpret logistic regression results
what logistic regression does
why we need logistic regression
If a high percentage of a country participates in sports, does this affect the level of the country’s health and happiness? Run two simple regression equations using WVS data, both of which use the “% participation in sports or recreation group” as the independent variable. For one equation,
Use the WVS dataset to run a regression model with the euthanasia variable as the dependent variable. Use RELATTEND and RELPRAY as the independent variables. Describe the results, paying attention to the betas.
Use the PewSocialMedia dataset to address this question: which variable has the biggest effect on respondent’s score on the Upsettedness Index: sex, age, income, or race (white/nonwhite)? Be sure to use the recoded (XY)variables for all variables except age.
Use the PewSocialMedia dataset to address this question: which variable has the biggest effect on respondent’s score on the Index of Social Media Use: sex, years of education, age, or income?
Use the PewSocialMedia dataset to address this question: which variable has the biggest effect on respondent’s score on the Index of Cellphone Uses:education or income (for both of these variables, use the recoded variables)?
Use the PewWorkPlay dataset to assess the relative effects of the following variables on the “Ease of Technology Use for Job Search” index: XYeduc, age, XYuseindex1. Create a professional-looking table that presents both the unstan-dardized and standardized coefficients and interpret your
Use the PewWorkPlay dataset to assess the relative effects of the following variables on income: XYracewnw, XYeduc, XYdisability. Create a professional-looking table that presents both the unstandardized and standardized coefficients and interpret your results.
Use the PewWorkPlay dataset to assess the relative effects of the following variables on the “Use Index: Streaming and Sports” index: XYracewb, XYsex, and age. Create a professional-looking table that presents both the unstandardized and standardized coefficients and interpret your results.
Use the PewKids dataset to run a single regression model to see which of these variables has the largest effect on the number of devices the child has used the Internet on: child’s age, child’s sex, or family income. Create a table that presents unstandardized and standardized coefficients.
Use the PewKids dataset to run a single regression model to see which of these variables has the largest effect on family income: parent’s age, parent’s education, or parent’s sex. Create a table that presents unstandardized and standardized coefficients. Interpret your results.
Using the PewHealth data, run a regression with the Cellphone Use Index as your dependent variable, and then recoded education and recoded family income as your independent variables. In the regression dialog box, click on the “Statistics” button and ask for Descriptive statistics. Once you get
Using the PewHealth data, determine which of these factors have the largest impact on the Internet Health Use Index: age, recoded education, and recoded sex. Create a table that presents unstandardized and standardized coefficients. Interpret your results.
Showing 2300 - 2400
of 8575
First
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Last
Step by Step Answers
Get 50% OFF
Claim Now
