Chapter 2: Q. 2.28 (page 103)
The number of books checked out from the library from students are as follows:
Find the mode.
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Chapter 2: Q. 2.28 (page 103)
The number of books checked out from the library from students are as follows:
Find the mode.
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In a study collecting data about the repair costs of damage to automobiles in a certain type of crash test, a certain model of car had in damage and was in the percentile. Should the manufacturer and the consumer be pleased or upset by this result? Explain and write a sentence that interprets the percentile in the context of this problem.
What word describes a distribution that has two modes?
Forty bus drivers were asked how many hours they spend each day running their routes (rounded to the nearest hour). Find the percentile.

Six hundred adult Americans were asked by telephone poll, "What do you think constitutes a middle-class income?" The results are in Table 2.69. Also, include left endpoint, but not the right endpoint.

a. What percentage of the survey answered "not sure"?
b. What percentage think that middle-class is from \(25,000 to \)50,000? c. Construct a histogram of the data.
i. Should all bars have the same width, based on the data? Why or why not?
ii. How should the <20,000 and the 100,000+ intervals be handled? Why? d. Find the 40th and 80th percentiles
e. Construct a bar graph of the data
Use the two frequency tables to compare the life expectancy of men and women from randomly selected countries. Include an overlayed frequency polygon and discuss the shapes of the distributions, the center, the spread, and any outliers. What can we conclude about the life expectancy of women compared to men?

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