Mathematics, 14.01.2021 16:30 Kkampudiaa
Suppose that a random sample of 10 adults has a mean score of 62 on a standardized personality test, with a standard deviation of 4 . (A higher score indicates a more personable participant.) If we assume that scores on this test are normally distributed, find a 90% confidence interval for the mean score of all takers of this test. Then find the lower limit and upper limit of the 90% confidence interval.
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Suppose that a random sample of 10 adults has a mean score of 62 on a standardized personality test,...
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