Question
The Mann-Whitney U Test is a nonparametric version of the independent samples t-test. The test primarily deals with two independent samples that contain ordinal data.
The Mann-Whitney U Test is a nonparametric version of the independent samples t-test. The test primarily deals with two independent samples that contain ordinal data. The following example explains the comparison between the nonparametric versus parametric tests.
- Select the best choice for the analysis and explain the reason
ResultsS.S. Bayesian Independent Samples T-Test
Descriptive Statistics
Independent Samples T-Test
Independent Samples T-Test | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Test | Statistic | df | p | ||||||
WBC | Student | 0.318 | 137 | 0.751 | |||||
Mann-Whitney | 2339.000 | 0.750 | |||||||
Assumption Checks
Test of Normality (Shapiro-Wilk) | |||||||
|---|---|---|---|---|---|---|---|
W | p | ||||||
WBC | 0 | 0.394 | <.001 | ||||
1 | 0.800 | <.001 | |||||
Note. Significant results suggest a deviation from normality. |
Descriptives
Group Descriptives | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Group | N | Mean | SD | SE | |||||||
WBC | 0 | 70 | 8.539 | 9.384 | 1.122 | ||||||
1 | 69 | 8.142 | 4.405 | 0.530 | |||||||
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Calculus Single And Multivariable
Authors: Deborah Hughes Hallett, Andrew M Gleason, William G McCallum, Daniel E Flath, Patti Frazer Lock, Sheldon P Gordon, David O Lomen, David Lovelock, Brad
6th Edition
1118475712, 9781118475713
