MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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**Challenge Activity: 5.7.1: Confidence Intervals for Population Means** **Jump to level 1** Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 5 inches. The heights of 8 randomly selected students are 68, 75, 62, 61, 61, 65, 65, and 74. \[ \bar{x} = \text{Ex: 12.34} \] Margin of error at 95% confidence level = \(\text{Ex: 1.23}\) 95% confidence interval = \([\text{Ex: 12.34, Ex: 12.34}]\) *[smaller value, larger value]* Buttons at the bottom: - Check - Next
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Transcribed Image Text:**Challenge Activity: 5.7.1: Confidence Intervals for Population Means** **Jump to level 1** Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 5 inches. The heights of 8 randomly selected students are 68, 75, 62, 61, 61, 65, 65, and 74. \[ \bar{x} = \text{Ex: 12.34} \] Margin of error at 95% confidence level = \(\text{Ex: 1.23}\) 95% confidence interval = \([\text{Ex: 12.34, Ex: 12.34}]\) *[smaller value, larger value]* Buttons at the bottom: - Check - Next
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