i. The statistical technique used to test the equality of three or more population means is called analysis of variance (ANOVA)
ii. To employ ANOVA, the populations should have approximately equal standard deviations.
iii. To employ ANOVA, the populations being studied must be approximately normally distributed.
A) (i), (ii) and (iii) are all correct statements
B) (i) and (ii) are correct statements, but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) All statements are false

Question

i. The statistical technique used to test the equality of three or more population means is called analysis of variance (ANOVA)
ii. To employ ANOVA, the populations should have approximately equal standard deviations. 
iii. To employ ANOVA, the populations being studied must be approximately normally distributed.
A) (i), (ii) and (iii) are all correct statements
B) (i) and (ii) are correct statements, but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) All statements are false

Quizplus · Accepted Answer

ANOVA is used to test the equality of three or more population means. It requires that the populations have approximately equal standard deviations (homogeneity of variance) and that they are approximately normally distributed.

I the Statistical Technique Used to Test the Equality of Three