Exam 4: Displaying and Describing Categorical Data

Consider the following to answer the question(s) below: The option to buy extended warranties is commonplace with most electronics purchases. Does the type of purchase affect a consumer's willingness to pay extra for an extended warranty? Data for 420 consumers who purchased digital cameras and laptop computers from a leading electronics retailer are summarized in the table. -Of those who made a purchase, the percentage of those who chose the warranty is

Consider the following to answer the question(s) below: A large national retailer of electronics conducted a survey to determine consumer preferences for various brands of digital cameras. The table summarizes responses by brand and gender. -What is the marginal distribution of brands?

Consider the following to answer the question(s) below: A full service brokerage firm gathered information on how their clients were investing for retirement. Based on age, clients were categorized according to where the largest percentage of their retirement portfolio was invested. The table below summarized the data. -Find each of the following percentages. a. What percentage of the clients invest in mutual funds and are over age 50? b. What percentage of clients over age 50 invest in mutual funds? c. What percentage of the mutual fund investors are over age 50?

Consider the following to answer the question(s) below: A large national retailer of electronics conducted a survey to determine consumer preferences for various brands of digital cameras. The table summarizes responses by brand and gender. -Consider the following side-by-side bar chart for the data: Does the chart indicate that brand preference is independent of gender? Explain.

Consider the following to answer the question(s) below: A full service brokerage firm gathered information on how their clients were investing for retirement. Based on age, clients were categorized according to where the largest percentage of their retirement portfolio was invested and shown in the table below. -A study was recently done in which the brand preference for coffee was analyzed against the gender of the shopper. The study consisted of 200 male shoppers and 300 female shoppers. Three different coffee brands were considered: A, B, and C. A total of 250 female shoppers preferred brand A and 25 female shoppers preferred brand C. A total of 125 male shoppers preferred brand B and 50 male shoppers preferred brand C. What percentage of those who preferred brand B were female shoppers?

Consider the following to answer the question(s) below: A full service brokerage firm gathered information on how their clients were investing for retirement. Based on age, clients were categorized according to where the largest percentage of their retirement portfolio was invested and shown in the table below. -The city council has just voted to pass the budget for next year. If you were writing a report describing the budget so the citizens could understand how the total tax dollars will be spent, and you decided to show each category of expenses as a bar, which of the following graphs would be most appropriate?

Consider the following to answer the question(s) below: A large national retailer of electronics conducted a survey to determine consumer preferences for various brands of digital cameras. The table summarizes responses by brand and gender. -Of the consumers who are male, the percentage who prefer Pentax is

Consider the following to answer the question(s) below: A large national retailer of electronics conducted a survey to determine consumer preferences for various brands of digital cameras. The table summarizes responses by brand and gender. -Of the consumers who prefer Canon, what percentage is female?

Consider the following to answer the question(s) below: The option to buy extended warranties is commonplace with most electronics purchases. Does the type of purchase affect a consumer's willingness to pay extra for an extended warranty? Data for 420 consumers who purchased digital cameras and laptop computers from a leading electronics retailer are summarized in the table. -Of the consumers who bought the extended warranty, what percentage purchased a digital camera?

Consider the following to answer the question(s) below: A full service brokerage firm gathered information on how their clients were investing for retirement. Based on age, clients were categorized according to where the largest percentage of their retirement portfolio was invested and shown in the table below. -Of the clients who invest in mutual funds, the percentage over age 50 is

Consider the following to answer the question(s) below: A large national retailer of electronics conducted a survey to determine consumer preferences for various brands of digital cameras. The table summarizes responses by brand and gender. -Of the consumers who are female, the percentage who prefer Canon is

Consider the following to answer the question(s) below: A full service brokerage firm gathered information on how their clients were investing for retirement. Based on age, clients were categorized according to where the largest percentage of their retirement portfolio was invested and shown in the table below. -The pie chart below for these data shows