7.89 The following data represent the scores obtained from a random sample of 20 people who attempted
Question:
7.89 The following data represent the scores obtained from a random sample of 20 people who attempted an IQ test having a maximum score of 100:
85 92 54 46 98 70 63 56 95 40 57 98 81 47 72 40 68 41 70 94
a. What is the reliability factor for a 90% confidence interval estimate of the mean IQ test score?
b. Find the LCL for a 99% confidence interval estimate of the mean IQ test score.
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Related Book For
Essential Mathematics And Statistics For Science
ISBN: 9780470694480
2nd Edition
Authors: Graham Currell, Dr. Antony Dowman
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