270604.2179714.qx3zay7 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 7 randomly selected students are 73, 75, 62, 74, 62, 71 and 60. T = Ex: 12.34 C Margin of error at 99% confidence level = Ex: 1.23 99% confidence interval = [ Ex: 12.34 Ex: 12.34 O ] [smaller value, larger value]
270604.2179714.qx3zay7 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 7 randomly selected students are 73, 75, 62, 74, 62, 71 and 60. T = Ex: 12.34 C Margin of error at 99% confidence level = Ex: 1.23 99% confidence interval = [ Ex: 12.34 Ex: 12.34 O ] [smaller value, larger value]
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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![CHALLENGE
6.2.1: Confidence intervals for population means.
ACTIVITY
270604.2179714.qx3zay7
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 7
randomly selected students are 73, 75, 62, 74, 62, 71 and 60.
* = Ex: 12.34 O
Margin of error at 99% confidence level = Ex: 1.23 C
99% confidence interval = [ Ex: 12.34 Ex: 12.340 ]
[smaller value, larger value]
1
Check
Next
D- D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0b8b5d42-9bf3-4b4e-932e-e6789243ae20%2Fcc7cd08b-22a7-46a7-955e-b620a7b5c70e%2Fw9nf5p2_processed.png&w=3840&q=75)
Transcribed Image Text:CHALLENGE
6.2.1: Confidence intervals for population means.
ACTIVITY
270604.2179714.qx3zay7
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 7
randomly selected students are 73, 75, 62, 74, 62, 71 and 60.
* = Ex: 12.34 O
Margin of error at 99% confidence level = Ex: 1.23 C
99% confidence interval = [ Ex: 12.34 Ex: 12.340 ]
[smaller value, larger value]
1
Check
Next
D- D
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