Mathematics, 09.08.2019 19:10 montanolumpuy
Suppose that you have a sample size n = 100 with mean x = 5 and standard deviation s = 2, and that you are to construct a confidence interval for the population mean \mu μ . if, after you obtain the confidence interval, you find it to be too wide, which of the following remedial steps can you take to reduce the width of the confidence interval?
a. to construct a 90% confidence interval instead of a 95% one.
b. to construct a 99% confidence interval instead of a 95% one.
c. to re-do the 95% confidence interval with only a half pf the sample data.
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Suppose that you have a sample size n = 100 with mean x = 5 and standard deviation s = 2, and that y...
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