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The Graduate Management Admission Test (GMAT) is a test required for admission into many masters of...

The Graduate Management Admission Test (GMAT) is a test required for admission into many masters of business administration (MBA) programs. GMAT scores are normally distributed. Suppose a random sample of 8 students took the test and their scores are given below:

699 560 414 570 521 663 727 413

Construct a 90% confidence interval for the true mean score for the population and interpret.

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