Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 2 inches. The heights of 9 randomly selected students are 66, 61, 75, 62, 61, 70, 65, 62 and 61. * = Ex: 12.34 Margin of error at 90% confidence level = Ex: 1.23 90% confidence interval = [Ex: 12.34 Ex: 12.34] [smaller value, larger value]
Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 2 inches. The heights of 9 randomly selected students are 66, 61, 75, 62, 61, 70, 65, 62 and 61. * = Ex: 12.34 Margin of error at 90% confidence level = Ex: 1.23 90% confidence interval = [Ex: 12.34 Ex: 12.34] [smaller value, larger value]
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 2 inches. The heights of 9 randomly selected students are 66, 61, 75, 62, 61, 70, 65, 62, and 61.
\( \bar{x} = \) Example: 12.34
Margin of error at 90% confidence level = Example: 1.23
90% confidence interval = \([ \text{Example: } 12.34, \text{Example: } 12.34 ]\)
[smaller value, larger value]
There are two buttons at the bottom: "Check" and "Next." A number box labeled '1' is currently selected, with '2' as an option.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc697cfa7-35be-400d-88d6-26bf90a0b862%2Fafa5c40c-1b55-4a62-ad55-ca253f744f82%2F4ndybxb_processed.png&w=3840&q=75)
Transcribed Image Text:Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 2 inches. The heights of 9 randomly selected students are 66, 61, 75, 62, 61, 70, 65, 62, and 61.
\( \bar{x} = \) Example: 12.34
Margin of error at 90% confidence level = Example: 1.23
90% confidence interval = \([ \text{Example: } 12.34, \text{Example: } 12.34 ]\)
[smaller value, larger value]
There are two buttons at the bottom: "Check" and "Next." A number box labeled '1' is currently selected, with '2' as an option.
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