The existing inventory for test measuring self-esteem

Reference no: EM13470173

An existing inventory for a test measuring self-esteem indicates that the scores have a standard deviation of 8. A psychologist gave the self-esteem test to a random sample of 70individuals, and their mean score was 68 . Construct a 95%confidence interval for the true mean of all test scores. Then complete the table below.

Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.

What is the lower limit of the 95% confidence interval?

What is the upper limit of the 95% confidence interval?

Reference no: EM13470173

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