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Roland received a score of 90 on a test for which the mean score was 83.2. Roland has learned that the z-score for his test
Roland received a score of 90 on a test for which the mean score was 83.2. Roland has learned that the z-score for his test is 0.8. What is the standard deviation for this set of test scores?
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Understanding Public Opinion Polls
Authors: Jelke Bethlehem
1st Edition
1498769756, 9781498769754
