Explanation Given Information: The histogram for the test grades for a class of 100 students. Explanation: Consider the histogram for the test grades for a class of 100 students. From the histogram, the last rectangle in the histogram represents the test grade range between 90 and 99. Now, the height of the last rectangle lies between the number of test 20 and 30. By clearly seen, the value of the number of test is approximate 25 for the last rectangle that lies in the range of 90 − 99 . So, the frequency corresponding to test grades 90 − 99 is 25. From the histogram, the first rectangle in the histogram represents the test grade range between 50 and 49. Now, the height of the first rectangle lies between the number of test 20 and 30. By clearly seen, the value of the number of test is approximate 5 for the first rectangle that lies in the range of 50 − 59 . So, the frequency corresponding to test grades 50 − 59 is 5

16th Edition

ISBN: 9781323235911

Author: BITTINGER

Publisher: Pearson Custom Publishing

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Chapter 5.2, Problem 15DE

To determine

The number of more students receive test grade in the range 90−99 than test grades in the range 50−59 from the histogram which illustrates the test grades for a class of 100 students.

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Chapter 5.2, Problem 14DE

Chapter 5.2, Problem 1RC

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The number of more students receive test grade in the range 90 − 99 than test grades in the range 50 − 59 from the histogram which illustrates the test grades for a class of 100 students.

Solution Summary: The author illustrates the histogram for the test grades for a class of 100 students.

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The number of more students receive test grade in the range 90−99 than test grades in the range 50−59 from the histogram which illustrates the test grades for a class of 100 students.

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Chapter 5 Solutions