erickasmith9153 erickasmith9153

30-04-2024
Mathematics

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Cheryl has taken two quizzes in her history class. She scored 23 on the first quiz, for which the mean of all scores was 14 and the standard deviation was 2.4. Her score on the second quiz, for which the mean of all scores was 13 and the standard deviation was 2.0, was 22. In comparison to her classmates, did Cheryl do better on the first quiz or the second quiz?

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