Question 1
For a two-tailed test, a sample of 20 at 80% confidence, t =
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1.328
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2.539
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1.325
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2.528
Question 2
If a hypothesis is not rejected at the 5% level of significance, it
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will also not be rejected at the 1% level
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will always be rejected at the 1% level
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will sometimes be rejected at the 1% level
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None of these alternatives is correct.