Four research teams each used a different method to collect data on how fast a new iron skillet rusts. Assume that they all agree on the sample size and the sample mean (in days). 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: 40 to 40B. Confidence Level: 68%; Confidence Interval: 43 to 47C. Confidence Level: 95%; Confidence Interval: 40 to 50D. Confidence Level: 95%; Confidence Interval: 42 to 48

Question

Mathematics

Colton Meyers

4 December, 09:53

Four research teams each used a different method to collect data on how fast a new iron skillet rusts. Assume that they all agree on the sample size and the sample mean (in days). 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: 40 to 40B. Confidence Level: 68%; Confidence Interval: 43 to 47C. Confidence Level: 95%; Confidence Interval: 40 to 50D. Confidence Level: 95%; Confidence Interval: 42 to 48

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Rudy Gill · Answer 1

Earch teams each used a different method to collect data on how fast a new iron skillet rusts. Assume that they all agree on the sample size and the sample mean (in days). 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: 40 to 40 B. Confidence Level: 95%; Confidence Interval: 40 to 50 C. Confidence Level: 68%; Confidence Interval: 43 to 47 D. Confidence Level: 95%; Confidence Interval: 42 to 48

Rodolfo Zhang · Answer 2

Rodolfo Zhang 4 December, 11:27

0

Sorry it’s actually 95 44-46