Comparing Two Independent Population Proportions · Exercise 27
A group of friends debated whether more men use smartphones than women. They consulted a research study of smartphone use among adults. The results of the survey indicate that of the 973 men randomly sampled, 379 use smartphones. For women, 404 of the 1,304 who were randomly sampled use smartphones. Test at the 5 percent level of significance.
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OpenStax, Statistics · §10.3 Comparing Two Independent Population Proportions · Exercise 27
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