Transcription of Chapter 205 One-Sample T-Test
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Chapter 205 One-Sample T-Test
NCSS Statistical Software 205-1 NCSS, LLC. All Rights Reserved. Chapter 205 One-Sample T-Test Introduction This procedure provides several reports for making inference about a population mean based on a single sample. These reports include confidence intervals of the mean or median, the T-Test , the z-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. Another procedure that produces a large amount of summary information about a single sample is the Descriptive Statistics procedure.
Kurtosis, coefficient of variation, coefficient of dispersion, percentiles, additional normality tests, and a stem-and-leaf plot. Research Questions For the one-sample situation, the typical concern in research is examining a measure of central tendency (location) for the population of interest.
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