Exhibit 13-7
The following is part of an ANOVA table that was obtained from data regarding three treatments and a total of 15 observations.
-Refer to Exhibit 13-7. The number of degrees of freedom corresponding to within treatments is
A)12
B)2
C)3
D)15

Question

Exhibit 13-7
The following is part of an ANOVA table that was obtained from data regarding three treatments and a total of 15 observations. 
-Refer to Exhibit 13-7. The number of degrees of freedom corresponding to within treatments is
A)12 
B)2 
C)3 
D)15

Quizplus · Accepted Answer

The degrees of freedom within treatments is calculated as the total number of observations minus the number of groups. If there are 16 total observations and 4 groups, the degrees of freedom within treatments is 16 - 4 = 12.

Exhibit 13-7 The Following Is Part of an ANOVA Table That Was