RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

ANALYSIS OF VARIANCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
ANOVA was first developed by ____
A
Charles Darwin
B
Karl Pearson
C
Ronald A. Fisher
D
None of the above
Explanation: 

Detailed explanation-1: -Sir Ronald Fisher pioneered the development of ANOVA for analyzing results of agricultural experiments. 1 Today, ANOVA is included in almost every statistical package, which makes it accessible to investigators in all experimental sciences.

Detailed explanation-2: -In statistics, Fisher laid the foundation of statistical inference, invented experimental design, randomization, ANOVA, etc. The first edition of “Statistical Methods for Research Workers” appeared in 1925.

Detailed explanation-3: -The term was introduced by Sir Ronald Fisher in 1918. A measure of the total variability in a set of data is given by the sum of squared differences of the observations from their overall mean. This is the total sum of squares (TSS).

Detailed explanation-4: -The Analysis of Variance or ANOVA is a statistical test developed by Ronald Fisher in 1918.

There is 1 question to complete.