The mean age of principals in a local school district is 48.6 years. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis? A) There is sufficient evidence to support the claim μ = 486. B) There is not sufficient evidence to support the claim μ = 486. C) There is sufficient evidence to reject the claim μ-486. D) There is not sufficient evidence to reject the claim μ-486.



Answer :

C) There is sufficient evidence to reject the claim i ¼- 486.(correct option)

Hypothesis=A hypothesis is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it. Scientists generally base scientific hypotheses on previous observations that cannot satisfactorily be explained with the available scientific theories .A hypothesis  in a scientific context, is a testable statement about the relationship between two or more variables.

for that given problem we want to test that

There sufficient evidence to reject the Claim that  i¼-486.

Option C is correct

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