Is it large enough to make the diet practical for someone

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Reference no: EM13932832

Dieting: Interpreting Calculator Display Researchers obtained weight loss data from a sample of dieters using the New World Athletic Club facilities. The before and after weights are recorded, then the differences (before 2 after) are computed. The TI-83 Plus calculator results are shown for a test of the claim that the diet is effective.

a. Is there sufficient evidence to support the claim that the diet is effective? Explain.

b. What is the mean weight loss? Is it large enough to make the diet practical for someone wanting to lose weight?

c. Use the displayed results to construct a 95% confidence interval for the mean weight loss.

Reference no: EM13932832

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