Examlex
Why is it difficult for retailers to provide high-quality customer service?
Wilcoxon Signed Rank Test
A non-parametric statistical hypothesis test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.
Test Statistic
In hypothesis testing, the test statistic is a standardized value derived from sample data, used to make a decision about the null hypothesis.
SPSS Output
The results generated by the Statistical Package for the Social Sciences, including statistical tests, tables, and graphs, after data analysis.
Test Statistic
A calculated value from sample data that is used in statistical testing to decide whether to reject the null hypothesis within the framework of a hypothesis test.
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