Homework: Organizing and Displaying Data

1. Mrs. Krabapple obtained the following set of scores from a 10-point quiz for a class of 26 students: {8, 5, 4, 5, 5, 7, 6, 4, 3, 4, 5, 6, 6, 4, 5, 5, 10, 6, 9, 5, 7, 8, 2, 6, 7, 4}. Please perform the following operations for this set of data. (8 points)a. Construct a stem-and-leaf plotb. Construct a frequency distribution tablec. Construct a histogram (a rough sketch is fine, no rulers or graph paper needed)d. Write an interpretation of the data based on the information from a, b, and c. What kinds of conclusions can you draw?

2. The following data set consists of pulse-rates (in beats per minute) for a class of 35 students. Please perform the following operations for this set of data. (8 points)

89798766648864

85838077687868

82867278819087

77797870888182

82927571907280

a. Construct a stem-and-leaf plotb. Construct a frequency distribution tablec. Construct a histogram (a rough sketch is fine, no rulers or graph paper needed)d. Write an interpretation of the data based on the information from a, b, and c. What kinds of conclusions can you draw?

3. Provide an example for each of the following concepts. You can find your examples on the internet, in a research article, in a magazine, in the newspaper, etc. or you can create one of your own. Give a brief interpretation of each set of data. What kind of conclusions can you draw? (4 points)a. Grouped frequency distribution tableb. Frequency polygonc. Bar chartd. Pie chart

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