Question

a) anova is an inferential method used for comparing select an answer across 3 or more groups.
b) in anova, the null hypothesis is always:
o at least one variance is different.
o at least one mean is different.
o all variances are equal.
o all mean are equal.

Explanation:

• ANOVA (Analysis of Variance) is a statistical method.
• It is used to compare means.
• The null hypothesis in ANOVA is that all population means are equal.

Answer:

a) means
b) all means are equal.