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

Question

Quizplus · Accepted Answer

The statement is true, as the within variation is calculated using the formula (n-1)*k, where n is the sample size and k is the number of groups. In this case, n=8 and k=4, hence (8-1)*4 = 28 degrees of freedom for within variation.

A Study Was Recently Conducted to See Whether the Mean