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March 30, 2017

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Suppose that a random sample of adults has a mean score of on a standardized personality test, with a standard deviation of . (A higher score indicates a more personable participant.) If we assume that scores on this test are normally distributed, find a confidence interval for the mean score of all takers of this test. Then complete the table below.
Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.

  • Stats - ,

    It would help if you proofread your questions before you posted them. You have omitted the values. What confidence interval are you seeking?

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