[Steps Shown] A personality test has a subsection designed to assess the "honesty" of the test-taker. Suppose that you're interested in the mean score, , on
Question:
A personality test has a subsection designed to assess the "honesty" of the test-taker. Suppose that you're interested in the mean score,
, on this subsection among the general population. You decide that you'll use the mean of a random sample of scores on this subsection to estimate
. What is the minimum sample size needed in order for you to be 95% confident that your estimate is within 4 of
? Use the value 22 for the population standard deviation of scores on this subsection.
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