Scores on a quiz were normally distributed and had a mean of 10 and a standard deviation

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Scores on a quiz were normally distributed and had a mean of 10 and a standard deviation of 3. For each of the following scores, find the Z score and the percentage of area above and below the score.

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The Essentials Of Statistics A Tool For Social Research

ISBN: 9781111829568

3rd Edition

Authors: Joseph F. Healey

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Question Posted: Mar 25, 2016 03:42 AM

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Scores on a quiz were normally distributed and had a mean of 10 and a standard deviation

Question:

%Area Below ZScore %Area Above X, 12 14 15 16 18

Step by Step Answer:

Xi 5 6 7 8 9 11 12 14 15 16 18 Z Score 167 ...View the full answer

The Essentials Of Statistics A Tool For Social Research

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