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OpenStudy (dannyrod2000):
Statistics/ Algebra 2
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OpenStudy (dannyrod2000):
Four research teams each used a different method to collect data on how fast a new brand of paint dries. Assume that they all agree on the sample size and the sample mean (in minutes). Use the (confidence level; confidence interval) pairs below to select the team that has the smallest sample standard deviation. A. Confidence Level: 99.7%; Confidence Interval: 42 to 48 B. Confidence Level: 95%; Confidence Interval: 40 to 50 C. Confidence Level: 68%; Confidence Interval: 44.5 to 45.5 D. Confidence Level: 95%; Confidence Interval: 35 to 55
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