Question: In developing an interval estimate for a population mean, a sample of 40 observations was used. The interval estimate was 28.76 + 1.48. Had

In developing an interval estimate for a population mean, a sample of

In developing an interval estimate for a population mean, a sample of 40 observations was used. The interval estimate was 28.76 + 1.48. Had the sample size been 160 instead of 40, the interval estimate would have been: Your answer: 28.76 + 2.96 28.76 + 0.74 28.76 + 1.48 28.76 + 0.37

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