Analysis of Variance (ANOVA) Multiple Choice Questions and answers (mcqs)

 1- The Analysis of Variance is abbreviated as: ?

(A) ANOVA                         (B) ANCOVA

Option (A) is correct.

2- Analysis of Variance is introduced by: ?

(A) Sir R.A. Fisher              (B) G.W Snedecor

Option (A) is correct.

3- For Testing more than two Means, we always use: ?

(A) t-distribution                  (B) Analysis of Variance(ANOVA)

Option (B) is correct.

4- In One-way ANOVA, Total SS(Sum of Squares) =: ?

(A) SSR + SSC + SSE         (B) Within SS + Between SS

Option (B) is correct.

5- Within SS(Sum of Squares) is also called as: ?

(A) Error SS                         (B) Between SS

Option (A) is correct.

6- In Analysis of Variance , the more the sample means differ the _ the variance becomes: ?

(A) Smaller                           (B) Larger

Option (B) is correct.

7- The Analysis of Variance compares two different estimates of variance by using F-distribution to determine whether the Population Means are: ?

(A) Equal                               (B) Not Equal

Option (A) is correct.

Note; Must remember that  in Null Hypothesis " Ho : All means are equal".

8- In One-way ANOVA, Columns "c" is also equal to: ?

(A) k                                      (B) f

Option (A) is correct.

9- In One-way ANOVA, degrees of freedom are: ?

(A) V1 = k - 1  ,  V2 = n - k       (B) V1 = r - 1,   V2 = (r - 1)(c - 1)

Option (A) is correct.

Note: But, In Two-way ANOVA, degrees of freedom are V1 = r - 1, V2 = (r - 1)(c - 1) & also V1 = c - 1,   V2= (r - 1)(c - 1).

10- In Two-way ANOVA, Total SS (SST) =: ?

(A) SSR + SSC + SSE                (B) Within SS + Between SS

Option (A) is correct.

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