Mathematics, 14.04.2020 23:01 jwbri

When constructing a confidence interval for a population mean, a sample of 40 observations was taken. The obtained interval was 17.25 2.42. If the sample size is 160 instead of 40, the confidence interval will be: a. 17.25 9.68 b. 69.00 9.68 c. 17.25 1.21 d. 69.00 1.21 e. 34.50 4.82

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When constructing a confidence interval for a population mean, a sample of 40 observations was taken...