Exam 4: Displaying and Describing Categorical Data

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 percentage of clients who are over age 50 and invest in mutual funds is

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 bought a digital camera, the percentage who purchased the warranty is

Consider the following side-by-side bar chart for the data below: Does the chart indicate that mode of investment is independent of age? Explain.

Write a sentence or two about the conditional relative frequency distribution of mode of investment for clients age 50 or younger.

What is the marginal distribution of brands?

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. -Find each of the following percentages. a. What percentage of the responses were males who prefer Pentax? b. What percentage of the male responses prefer Pentax? c. What percentage of the consumers who chose Pentax were males?

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 percentage of clients 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

Here is the side-by-side bar chart for these data. Which of the following statements is true?

The following bar chart for these data shows

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. The number of female shoppers that preferred brand B was:

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 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. -The percentage of consumers who are male and prefer Pentax is

Prepare an appropriate chart to display the marginal distribution of age.

Prepare an appropriate chart to display 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. -Identify the variables and tell whether each is categorical or quantitative.

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. -Identify the variables and tell whether each is categorical or quantitative.

The pie chart below for these data shows

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 Pentax, what percentage is male?

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