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Mathematics, 05.05.2020 04:07 hgcmj
A professor wished to study whether the percentage of Americans that graduate from college has increased. Ten years, ago, 25% of Americans graduated from college. This year, a random sample had a college graduation rate of 28%. When the professor calculated her hypothesis test at significance level 0.05, she obtained a p-value of 0.21. What should she conclude?
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A professor wished to study whether the percentage of Americans that graduate from college has incre...
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