RESEARCH METHODOLOGY

METHODS OF DATA ANALYSIS

DECISION MAKING WITH HYPOTHESIS TESTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What separates the critical region from the noncritical region?
A
critical value
B
computed value
C
z-score
D
None of the above
Explanation: 

Detailed explanation-1: -The value(s) which separate the critical region from the non-critical region. The critical values are determined independently of the sample statistics. A critical value separates the rejection region from the non-rejection region.

Detailed explanation-2: -In a test of hypothesis, a critical value is a number that separates two regions: the critical region, that is, the set of values of the test statistic that lead to a rejection of the null hypothesis; the acceptance region, that is, the set of values for which the null is not rejected.

Detailed explanation-3: -Therefore, the statement is false. The critical value separates the rejection region from the non-rejection region, not the critical value from the non-critical region.

Detailed explanation-4: -Answer and Explanation: The values of the test statistic that separate the acceptance region from the rejection region are called critical values of that test statistic.

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