Quick questions on Hypothesis testing for a mean: VCE Specialist Mathematics Unit 4

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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Write

H_0

and a two-tailed

H_1

for testing whether a mean equals

20

. [2 marks]

What is q2?

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Compute the test statistic for

\bar{x} = 27

\mu_0 = 25

\sigma = 6

n = 36

. [2 marks]

What is q3?

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Define a Type I error. [1 mark]

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