Transcription of Chapter 208 Paired T-Test - NCSS
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Chapter 208 Paired T-Test - NCSS
NCSS Statistical Software Chapter 208. Paired T-Test Introduction This procedure provides several reports for making inference about the difference between two population means based on a Paired sample. These reports include confidence intervals of the mean difference, the Paired sample t- test, and non-parametric tests including the randomization test, the quantile (sign) test, and the Wilcoxon Signed- Rank test. tests of assumptions and distribution plots are also available in this procedure. Research Questions For the Paired -sample situation, the prime concern in research is examining a measure of central tendency (location) for the Paired -difference population of interest. The best-known measures of location are the mean and median. In the Paired case, we take two measurements on the same individual, or we have one measurement on each individual of a pair.
NCSS Statistical Software NCSS.com Paired T-Test 208-6 © NCSS, LLC. All Rights Reserved. Tests Alpha Alpha is the significance leve l used in the hypothesis tests.
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