5. Find the values or andズfor a sample of 25 scores and confidence interval of 98%....

Question:

5. Find the values or andズfor a sample of 25 scores and confidence interval of 98%. Drawズdiagram for this example.-イ! 6. The following are heights (in inches) of randomly selected women: 63.7, 61.2, 66.0,62.5,65.7,64.4,63.0, 61.9 a) Find the best point estimate of the population variance ơ. b) Construct a 95% confidenceinterva estimate ofthepopulationstandarddenationo. c) Does the confidence interval contain the standard deviation value of 2.5 inches? (Women's heights are known to have a standard deviation of 2.5 inches).

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