RESEARCH METHODOLOGY

METHODS OF DATA ANALYSIS

DECISION MAKING WITH HYPOTHESIS TESTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The null and alternative hypothesis can be the same.
A
Yes
B
No
C
Maybe
D
All the above
Explanation: 

Detailed explanation-1: -The alternative hypothesis is the complement to the null hypothesis. Null and alternative hypotheses are exhaustive, meaning that together they cover every possible outcome. They are also mutually exclusive, meaning that only one can be true at a time.

Detailed explanation-2: -The null and alternative hypotheses are two competing claims that researchers weigh evidence for and against using a statistical test: Null hypothesis (H0): There’s no effect in the population. Alternative hypothesis (HA): There’s an effect in the population.

Detailed explanation-3: -Rejecting or failing to reject the null hypothesis Alternatively, if the significance level is above the cut-off value, we fail to reject the null hypothesis and cannot accept the alternative hypothesis. You should note that you cannot accept the null hypothesis, but only find evidence against it.

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