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Sampling, Inference & the t-Test · Question 41 of 70

Question 41

MediumOriginal question

For the battery claim of 500 hours, the researcher only asks whether the mean is different, in either direction. What is the alternate hypothesis?

Options for question 41

Show the answer and explanation
CorrectNot quiteAnswer D

Correct answer: D

Explanation

  1. A non-directional alternate hypothesis allows a difference either way.

  2. H1:μ≠500H_1: \mu \ne 500.

Worth noting

μ>500\mu > 500 looks in one direction only; the question asks about either.

Concept
Writing the alternate hypothesis
Typical time
90 s
Your time
—
The rule this testsNull and alternate hypotheses
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Ten questions from Sampling, Inference & the t-Test, at your own pace.

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Ten questions from Sampling, Inference & the t-Test, at your own pace.

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