An ANOVA procedure is applied to data obtained from four distinct populations. The samples,each comprised of 15 observations,were taken from the four populations. The degrees of freedom for the numerator and denominator for the critical value of are ________.
A)4 and 60,respectively
B)4 and 21,respectively
C)3 and 59,respectively
D)3 and 56,respectively

Question

Quizplus · Accepted Answer

The degrees of freedom for the numerator is the number of groups minus one (4-1=3). The degrees of freedom for the denominator is the total number of observations minus the number of groups (4*15-4=56).

An ANOVA Procedure Is Applied to Data Obtained from Four