A Study Was Recently Conducted to See Whether the Mean

question 5

True/False

A study was recently conducted to see whether the mean starting salaries for graduates of engineering,business,healthcare,and computer information systems majors differ.A random sample of 8 graduates was selected from each major.The following shows the results of the ANOVA computations.However,the degrees of freedom column has been omitted.The correct number of degrees of freedom for the within variation is 28.
Anova: Single Factor
SUMMARY ANOVA

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Definitions:

Nonparametric Tests

Statistical tests that do not assume a specific distribution for the data, used for analyzing ordinal or nominal data with unknown parameters.

Wilcoxon Rank Sum Test

A nonparametric test used to determine whether there is a significant difference between two independent samples by comparing their rank sums.

Significance Level

The threshold below which a statistical result is considered significant, typically reflecting the probability of wrongly rejecting the null hypothesis.

Rank Assigned

A method of attributing ordinal positions to items based on their value or performance.