Suppose that you intend to find a 95% confidence interval for a population mean by applying the
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a. What would happen to the precision of the estimate if you used a sample of size 50 instead but kept the same confidence level of 0.95?
b. What would happen to the precision of the estimate if you changed the confidence level to 0.90 but kept the same sample size of 100?
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a Reducing the sample size from 100 to 50 will reduce the ...View the full answer
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