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wrote...
Posts: 224
3 weeks ago
We test the hypothesis that p = 35% versus p < 35%. We don't know it but actually p = 26%. With which sample size and significance level will our test have the greatest power?

▸ The power will be the same as long as the true proportion p remains 26%

▸ α = 0.03, n = 250

▸ α = 0.03, n = 400

▸ α = 0.01, n = 250

▸ α = 0.01, n = 400
Textbook 

Stats: Modeling the World


Edition: 4th
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Posts: 226
3 weeks ago
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α = 0.03, n = 400
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