Graphs

1. Information about a magazine's readers is of interest to both the publisher and the magazine's advertisers. A survey of readers asked respondents to complete the following. For each item identify the type of data (categorical/quantitative)

1. a. Age
2. b. Gender
3. c. Marital Status
4. d. Number of magazine subscriptions

e. Annual income f. Rate the quality of our magazine: excellent, good, fair, or poor

2. True False Pie charts and bar graphs are used to graph the distribution of quantitative data.

3. A large investment firm on Wall Street wants to review the distribution of ages of its stockbrokers. The firm believes that this information can be useful in developing plans to recruit brokers. The ages of a sample of 27 brokers are shown here.

28 51 34 29 40 38 33 41 52 53 40 50 33 36 41 25 38 37 41 25 38 37 41 29 47 51 52

Draw a stem-and-leaf display