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. The least number of sources of variation in ANOVA is two.
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. The least number of sources of variation in ANOVA is two.
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, requires populations to have approximately equal standard deviations, and involves at least two sources of variation: within groups and between groups.

I the Statistical Technique Used to Test the Equality of Three