RESEARCH METHODOLOGY

METHODS OF DATA ANALYSIS

PARAMETRIC AND NON PARAMETRIC TESTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If the true means of the samples are equal, then MS(between)/MS(within) should be:
A
Close to 1.00
B
close to-1.00
C
Negative value between 0 and-1
D
More than 1.00
Explanation: 

Detailed explanation-1: -Analysis of variance (ANOVA) is one of the most frequently used statistical methods in medical research. The need for ANOVA arises from the error of alpha level inflation, which increases Type 1 error probability (false positive) and is caused by multiple comparisons.

Detailed explanation-2: -The alternative hypothesis, H1 or Ha, is a statistical proposition stating that there is a significant difference between a hypothesized value of a population parameter and its estimated value.

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