Han Xi-yin
Abstract
By using the relationship between hypothesis testing and confidence intervals,a method for one-sided t test by the outcome of the confidence intervals in SPSS is proposed.Meanwhile,based on the symmetry of t-distribution,a method for one-sided t test by the outcome of the two-tailed t test in SPSS is made.And then the two methods are illustrated by examples.
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By using the relationship between hypothesis testing and confidence intervals,a method for one-sided t test by the outcome of the confidence intervals in SPSS is proposed.Meanwhile,based on the symmetry of t-distribution,a method for one-sided t test by the outcome of the two-tailed t test in SPSS is made.And then the two methods are illustrated by examples.
Key concepts: Test (biology), Outcome (game theory), Confidence interval, Statistics, Mathematics, Geology, Mathematical economics, Paleontology