Business Statistics A First Course 8th Edition David M. Levine, Kathryn A. Szabat, David F. Stephan - Solutions

Ipsos polled 1,004 adults asking them, “If purchasing a used car made certain upgrades or features more affordable, what would be your preferred luxury upgrade?” The summarized results show that 9% of males and 14% of females answered window tinting.The poll description did not state the sample
The file NBACost contains the total cost (in $) for four tickets purchased on the secondary market, two beers, two soft drinks, four hot dogs, and one parking space at each of the 30 NBA basketball arenas during a recent season.a. Construct a stem-and-leaf display.b. Around what value, if any, are
The file MobileSpeed contains the overall download and upload speeds in mbps for nine carriers in the United States.a. Construct an ordered array.b. Construct a stem-and-leaf display.c. Does the ordered array or the stem-and-leaf display provide more information? Discuss.d. Around what value, if
How much time do Americans living in cities spend commuting to work each week? The file CommutingTime contains these times for 30 cities. For the time Americans living in cities spend commuting to work each week:a. Construct a percentage histogram.b. Construct a cumulative percentage polygon.c.
How do the average credit scores of people living in various cities differ? The file Credit Scores contains an ordered array of the average credit scores of 2,570 American cities.a. Construct a percentage histogram.b. Construct a cumulative percentage polygon.c. What conclusions can you reach
The financial services call center in Problem 2.44 also monitors call duration, which is the amount of time spent speaking to customers on the phone. The file CallDuration contains the following data for the time, in seconds, spent by agents talking to 50 customers.Data from in problem 2.44Call
One operation of a mill is to cut pieces of steel into parts that will later be used as the frame for front seats in an automobile. The steel is cut with a diamond saw and requires the resulting parts to be within {0.005 inch of the length specified by the automobile company. The measurement
Movie companies need to predict the gross receipts of individual movies once a movie has debuted. The following results, stored in PotterMovies , are the first weekend gross, the U.S. gross, and the worldwide gross (in $millions) of the eight Harry Potter movies:a. Construct a scatter plot with
Examine the following visualization, adapted from one that appeared in the post “Who Are the Comic Book Fans on Facebook?” on February 2, 2013, as reported by graphicspolicy.com.a. Describe at least one good feature of this visual display.b. Describe at least one bad feature of this visual
The file Movie Attendance contains the yearly movie attendance (in billions) from 2001 through 2016.a. Construct a time-series plot for the movie attendance (in billions).b. What pattern, if any, is present in the data?
The file Bulbs contains the life (in hours) of a sample of forty 6-watt LED (light emitting diode) light bulbs produced by Manufacturer A and a sample of forty 6-watt LED light bulbs produced by Manufacturer B.Use the following class interval widths for each distribution: Manufacturer A:
The data stored in Drink represents the amount of soft drink in a sample of fifty 2-liter bottles.a. Construct a histogram and a percentage polygon.b. Construct a cumulative percentage polygon.c. On the basis of the results in (a) and (b), does the amount of soft drink filled in the bottles
Data were collected on the typical cost of dining at Americancuisine restaurants within a 1-mile walking distance of a hotel located in a large city. The file Bundle contains the typical cost (a per transaction cost in $) as well as a Bundle score, a measure of overall popularity and customer
The file MobileSpeed contains the overall download and upload speeds in mbps for nine carriers in the United States.a. Do you think that carriers with a higher overall download speed also have a higher overall upload speed?b. Construct a scatter plot with download speed on the X axis and upload
A Pew Research Center survey found a noticeable rise in smartphone ownership and Internet usage in emerging and developing nations. Once online, adults in these nations are hungry for social interaction. The file GlobalInternetUsage contains the level of Internet usage, measured as the percentage
Using the sample of retirement funds stored in Retirement Funds :a. Construct a table that tallies Fund Type, Market Cap, Risk Level, and Star Rating.b. What conclusions can you reach concerning differences among the types of funds based on market cap categories, risk levels, and star ratings?c.
The file NewHomeSales contains the number of new homes sold (in thousands) and the median sales price of new single-family houses sold in the United States recorded at the end of each month from January 2000 through December 2016..a. Construct a times series plot of new home sales prices.b. What
The Super Bowl is a big viewing event watched by close to 200 million Americans that is also a big event for advertisers. The file SuperBowlAds contains the number of ads that ran between the opening kickoff and the final whistle and the total elapsed run time (in minutes) of the commercials for
Using the sample of retirement funds stored in Retirement Funds :a. Construct a table that tallies Fund Type, Market Cap, and Star Rating.b. What conclusions can you reach concerning differences among the types of retirement funds (growth and value), based on Market Cap (small, mid-cap, and large)
Using the sample of retirement funds stored in Retirement Funds:a. Construct a table that tallies, Market Cap, Risk Level, and Star Rating.b. What conclusions can you reach concerning differences among the funds based on Market Cap (small, mid-cap, and large), Risk Level (low, average, and high),
Using the sample of retirement funds stored in Retirement Funds :a. Construct a table that tallies Fund Type, Risk Level, and Star Rating.b. What conclusions can you reach concerning differences among the types of retirement funds, based on the risk levels and star ratings?c. Construct a table that
Figure 2.4 on page 57 shows a bar chart and a pie chart for what devices millennials used to watch movies/TV shows.a. Create an exploded pie chart, a cone chart, or a pyramid chart that shows how people paid for purchases and other transactions.b. Which graphs either seen in Figure 2.4 or created
Figures 2.5 and 2.6 on pages 58 and 59, show a bar chart and a pie chart for the risk level for the retirement fund data.a. Create an exploded pie chart, a doughnut chart, a cone chart, and a pyramid chart that show the risk level of retirement funds.b. Which graphs, either seen in Figures 2.5 and
In the sample of 479 retirement funds, what are the attributes of the fund with the highest five-year return percentages?
Using the sample of retirement funds stored in Retirement Funds :a. Construct a chart that visualizes SD and Assets by Risk Level.b. Construct a chart that visualizes SD and Assets by Fund Type. Rescale the Assets axis, if necessary, to see more detail.c. How do the patterns that you observe in
In the sample of 479 retirement funds (Retirement Funds), which funds in the sample have the lowest five-year return percentage?
The following table represents the market share (in number of movies, gross in millions of dollars, and millions of tickets sold) of each type of movie in a recent year:a. Construct a bar chart, a pie chart, a doughnut chart, and a Pareto chart for the number of movies, gross (in $millions), and
Using the sample of retirement funds stored in Retirement Funds :a. Construct one chart that visualizes 10YrReturn and 1YrReturn by Market Cap.b. Construct one chart that visualizes 5YrReturn and 1YrReturn by Market Cap.c. How does the patterns to the points of each market cap category change
B2B marketers in North America were surveyed about content marketing usage, organization, and success. Content marketers were asked about how content marketing is structured within their organization and how they would describe their organization’s commitment to content marketing. The tables in
In the sample of 479 retirement funds (Retirement Funds), what characteristics are associated with the funds that have the lowest five-year return percentages?
The following table shown in the file TextbookCosts shows the breakdown of the costs of a typical college textbook.a. Using the categories of publisher, bookstore, and author, construct a bar chart, a pie chart, and a Pareto chart.b. Using the subcategories of publisher and the subcategories of
Bring to class a chart from a website, newspaper, or magazine published this month that you believe to be a poorly drawn representation of a categorical variable. Be prepared to submit the chart to the instructor with comments about why you consider it inappropriate. Do you believe that the intent
The following data represents the pounds per capita of fresh food and packaged food consumed in the United States, Japan, and Russia in a recent year.a. For each of the three countries, construct a bar chart, a pie or doughnut chart, and a Pareto chart for different types of fresh foods consumed.b.
The owner of a restaurant that serves Continental-style entrées has the business objective of learning more about the patterns of patron demand during the Friday-to-Sunday weekend time period. Data were collected from 630 customers on the type of entrée ordered and were organized in the following
What are the advantages and disadvantages of using a bar chart, a pie chart, a doughnut chart, and a Pareto chart?
Suppose that the owner of the restaurant in Problem 2.91 also wants to study the demand for dessert during the same time period. She decides that in addition to studying whether a dessert was ordered, she will also study the gender of the individual and whether a beef entrée was ordered. Data were
What is the difference between a drill-down and a slicer?
The Air Travel Consumer Report, a monthly product of the Department of Transportation’s Office of Aviation Enforcement and Proceedings (OAEP), is designed to assist consumers with information on the quality of services provided by airlines. The report includes a summary of consumer complaints by
One of the major measures of the quality of service provided by an organization is the speed with which the organization responds to customer complaints. A large family-held department store selling furniture and flooring, including carpet, had undergone a major expansion in the past several years.
The file DomesticBeer contains the percentage alcohol, number of calories per 12 ounces, and number of carbohydrates (in grams) per 12 ounces for 159 of the best selling domestic beers in the United States.a. Construct a percentage histogram for percentage alcohol, number of calories per 12 ounces,
The file CigaretteTax contains the state cigarette tax ($) for each state and the District of Columbia in a recent year.a. Construct an ordered array.b. Plot a percentage histogram.c. What conclusions can you reach about the differences in the state cigarette tax among the states?
The file CDRate contains the yields for one-year certificates of deposit (CDs) and for five-year CDs for 52 banks in the United States, as of December 29, 2017.a. Construct a stem-and-leaf display for one-year CDs and fiveyear CDs.b. What conclusions can you reach about the distributions for the
Download and upload speeds of an Internet connection is of great importance to both individuals and businesses in a community. The file CityInternetSpeed contains the average download and upload speeds in Mbps for 100 United States cities.For download and upload time:a. Construct a frequency
The file Natural Gas contains the U.S. monthly average commercial and residential price for natural gas in dollars per thousand cubic feet from January 2008 through December 2016.For the commercial price and the residential price:a. Construct a time-series plot.b. What pattern, if any, is present

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