IF n < 30 AND T = Ý-μ SI√n² SHOW HOW THE 100(1-2α)% CONFIDENCE INTERVAL FOR IS DERIVED
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- If we want a 96% confidence interval on population mean with a sample size of 23, find zα2 or tα2The critical value of t for a 95% confidence interval with df equals 108If a 90% confidence interval for the mean is (75.3 to 80.9), we would reject H0 : = 70 in favor of H1 : not equal to 70 at 0.05 True or False?