Concept explainers
To check: which of the given size makes it seem as though there were little variation in the test scores of the histogram frequency for the given data.
Answer to Problem 26PPE
Explanation of Solution
Given:
The given data shows test score.
The interval is
Calculation:
As the given data is
From the previous exercise, when the interval is 5, then 7 variations in test score.
But when the interval is 10, then 4 variations in test score.
At last, when the interval is 20, then only 2 variations in test score.
Hence, 20 will give fewer intervals and show little variations in test score.
Chapter 12 Solutions
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