Suppose the instructor gave a 15 item quiz and weighted each item 1 point, the mean score

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Suppose the instructor gave a 15 item quiz and weighted each item 1 point, the mean score on the test was 10 points and the standard deviation was 3points. On this quiz the socres corrleation with scores on a precding quiz was .56. The intsructor later decided that each should have received a weight of 5 points and multiplied every exam score by 5. How many times larger is the standard deviatio of the new score?

Posted Date: May 17, 2024 05:08 AM

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Suppose the instructor gave a 15 item quiz and weighted each item 1 point, the mean score

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