RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

ANALYSIS OF VARIANCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The one-way ANOVA is used to test statistical hypotheses concerning which of the following?
A
Means
B
Proportions
C
Variances
D
Standard deviations
Explanation: 

Detailed explanation-1: -The One-Way ANOVA is commonly used to test the following: Statistical differences among the means of two or more groups. Statistical differences among the means of two or more interventions.

Detailed explanation-2: -The null hypothesis (H0) of ANOVA is that there is no difference among group means. The alternative hypothesis (Ha) is that at least one group differs significantly from the overall mean of the dependent variable. If you only want to compare two groups, use a t test instead.

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