A simple random sample of 90 items resulted in a sample mean of 60. The population standard deviation is o = 15. The 95% confidence interval for the population mean is from [Select] [Select] Assume that the same sample mean was obtained from a sample of 180 items. Now, the 95% confidence interval for the population mean is from [Select] [Select] What is the effect of a larger sample size on the interval estimate? [Select] to to

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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Answer choices for second box: 64.07, 62.60, 63.10, 56.90, 57.81, 62.19

Answer choices for third box: 58.16, 57.12, 57.81, 56.90, 63.10, 62.19

Answer choices for fourth box: 57.81, 63.10, 62.88, 61.84, 56.90, 62.19

Answer choices for fifth box: A larger sample size provides a smaller margin of error; A larger sample size provides a larger margin of error; A larger sample size does not change the margin of error

A simple random sample of 90 items resulted in a sample mean of 60. The population standard
deviation is o = = 15.
The 95% confidence interval for the population mean is from [Select]
[Select]
Assume that the same sample mean was obtained from a sample of 180 items. Now, the 95%
confidence interval for the population mean is from [Select]
[Select]
[Select]
What is the effect of a larger sample size on the interval estimate? [
✓to
to
Transcribed Image Text:A simple random sample of 90 items resulted in a sample mean of 60. The population standard deviation is o = = 15. The 95% confidence interval for the population mean is from [Select] [Select] Assume that the same sample mean was obtained from a sample of 180 items. Now, the 95% confidence interval for the population mean is from [Select] [Select] [Select] What is the effect of a larger sample size on the interval estimate? [ ✓to to
A simple random sample of 90 items resulted in a sample mean of 60. The population standard
deviation is o = 15.
The 95% confidence interval for the population mean is from ✓ [Select ]
55.93
57.40
62.19
63.10
56.90
57.81
[Select]
Assume that the same sample mean was obtained from a sar
confidence interval for the population mean is from [Select
[Select]
What is the effect of a larger sample size on the interval estimate?
[Select]
10
to
Transcribed Image Text:A simple random sample of 90 items resulted in a sample mean of 60. The population standard deviation is o = 15. The 95% confidence interval for the population mean is from ✓ [Select ] 55.93 57.40 62.19 63.10 56.90 57.81 [Select] Assume that the same sample mean was obtained from a sar confidence interval for the population mean is from [Select [Select] What is the effect of a larger sample size on the interval estimate? [Select] 10 to
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