Eat your cereal: Boxes of cereal are labeled as containing 14 ounces. Following are the weights, in ounces, of a sample of 12 boxes. It is reasonable to assume that the population is approximately normal. 13.02 14.97 13.11 13.12 13.10 13.02 13.15 14.97 14.05 13.04 13.11 13.12 Send data to Excel Part: 0 / 2 Part 1 of 2 (a) Construct an 80% confidence interval for the mean weight. Round the answers to at least three decimal places. An 80% confidence Interval for the mean weight is

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Eat your cereal: Boxes of cereal are labeled as containing 14 ounces. Following are the weights, in ounces, of a sample of 12 boxes. It is reasonable to assume that the population is approximately normal. Answer the two questions.
(b) The quality control manager is concerned that the mean weight is actually less than 14 ounces. Based on the confidence
interval, is there a reason to be concerned? Explain.
The quality control manager should (Choose one) v
concerned that the mean weight is
actually less than 14 ounces.
be
not be
Transcribed Image Text:(b) The quality control manager is concerned that the mean weight is actually less than 14 ounces. Based on the confidence interval, is there a reason to be concerned? Explain. The quality control manager should (Choose one) v concerned that the mean weight is actually less than 14 ounces. be not be
Eat your cereal: Boxes of cereal are labeled as containing 14 ounces. Following are the weights, in ounces, of a sample of 12
boxes. It is reasonable to assume that the population is approximately normal.
13.02 14.97 13.11 13.12 13.10 13.02
13.15 14.97 14.05 13.04 13.11 13.12
Send data to Excel
Part: 0 / 2
Part 1 of 2
(a) Construct an 80% confidence interval for the mean weight. Round the answers to at least three decimal places.
An 80% confidence interval for the mean weight is
Transcribed Image Text:Eat your cereal: Boxes of cereal are labeled as containing 14 ounces. Following are the weights, in ounces, of a sample of 12 boxes. It is reasonable to assume that the population is approximately normal. 13.02 14.97 13.11 13.12 13.10 13.02 13.15 14.97 14.05 13.04 13.11 13.12 Send data to Excel Part: 0 / 2 Part 1 of 2 (a) Construct an 80% confidence interval for the mean weight. Round the answers to at least three decimal places. An 80% confidence interval for the mean weight is
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