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ScotlandStatisticsQuick questions

Hypothesis Testing

Quick questions on The hypothesis testing framework: hypotheses, p-values, significance and errors - SQA Advanced Higher Statistics

2short 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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A researcher tests H0:μ=20H_0: \mu = 20 against H1:μ>20H_1: \mu > 20 at α=0.05\alpha = 0.05 and obtains a p-value of 0.080.08. State the conclusion. [1 mark]
What is q2?
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State which error becomes more likely if the significance level is lowered from 5%5\% to 1%1\%, keeping the sample size fixed. [1 mark]

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