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Scenario: A clinic offers a? weight-loss program. The numbers are the amounts of weight? loss, in? pounds, for a random sample of 20 of its clients at the conclusion of the program. Assume that the data are normally distributed.

12, 23, 15, 8, 13, 10,19, 18, 20, 30

12, 5, 14, 13, 18, 16, 11, 16, 14, 30

The 90?% confidence interval is from a lower limit of to an upper limit of

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