The two-sample t-test is one of the most commonly used hypothesis tests in Six Sigma work. It is applied to compare the average difference between two groups. You use it to determine if the difference ...
Journal of the Royal Statistical Society. Series B (Statistical Methodology), Vol. 79, No. 1 (JANUARY 2017), pp. 225-246 (22 pages) We propose new methodology for two-sample testing in high ...
Hypothesis testing is a key concept in inferential ... and significantly less than the mean of a population is considered a two-tailed test. A one-tailed test checks whether a sample mean is higher or ...
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