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answer this question A random sample of 59 observations was taken. The average in the sample was 80 with a variance of 400 (Round your answers to three decim (a) Construct a 98% confidence interval for y (b) Construct a 99% confidence interval for to (c) Discuss why the 98% and 99% confidence intervals are different. As the confidence level increases and all else stays the same, the confidence interval becomes wider Changing the confidence level or sample size while all else stays the same shifts the confidence interval left or right. As the sample size increases and all else stays the same, the confidence interval becomes wider As the confidence level increases and all else stays the same, the confidence interval becomes narrower. As the sample size increases and all else stays the same, the confidence interval becomes narrower (d) What would you expect to happen to the confidence interval in part (a) if the sample size was increased? be sure to explain your answer It would be expected for the interval to shift left or right since the margin of ever changed It would be expected for the interval to become wider since the margin of error decreased. It would be expected for the interval to become wider since the margin of error increased. It would be expected for the interval to become narrower since the margin of error increased. It would be expected for the interval to become narrower since the margin of error decreased Need Help? Fed

answer this question A random sample of 59 observations was taken. The average in the sample was 80 with a variance of 400 (Round your answers to three decim (a) Construct a 98% confidence interval for y (b) Construct a 99% confidence interval for to (c) Discuss why the 98% and 99% confidence intervals are different. As the confidence level increases and all else stays the same, the confidence interval becomes wider Changing the confidence level or sample size while all else stays the same shifts the confidence interval left or right. As the sample size increases and all else stays the same, the confidence interval becomes wider As the confidence level increases and all else stays the same, the confidence interval becomes narrower. As the sample size increases and all else stays the same, the confidence interval becomes narrower (d) What would you expect to happen to the confidence interval in part (a) if the sample size was increased? be sure to explain your answer It would be expected for the interval to shift left or right since the margin of ever changed It would be expected for the interval to become wider since the margin of error decreased. It would be expected for the interval to become wider since the margin of error increased. It would be expected for the interval to become narrower since the margin of error increased. It would be expected for the interval to become narrower since the margin of error decreased Need Help? Fed

MATLAB: An Introduction with Applications
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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to Shiwer this question A random sample of 59 observations was taken. The average in the sample was 80 with a variance of 400. (Round your answers to three decimal places) (a) Construct a 98% confidence interval for to (b) Construct a 99% confidence interval for to (c) Discuss why the 98% and 99% confidence intervals are different As the confidence level increases and all else stays the same, the confidence interval becomes wider Changing the confidence level or sample size while all else stays the same shifts the confidence interval left or right As the sample size increases and all else stays the same, the confidence interval becomes wider As the confidence level increases and all else stays the same, the confidence interval becomes narrower As the sample size increases and all else stays the same, the confidence interval becomes narrower. (d) What would you expect to happen to the confidence interval in part (a) if the sample size was increased? Be sure to explain your answer. It would be expected for the interval to shift left or right since the margin of error changed It would be expected for the interval to become wider since the margin of error decreased. It would be expected for the interval to become wider since the margin of error increased. It would be expected for the interval to become narrower since the margin of error increased. It would be expected for the interval to become narrower since the margin of error decreased Need Help? Read
Transcribed Image Text:to Shiwer this question A random sample of 59 observations was taken. The average in the sample was 80 with a variance of 400. (Round your answers to three decimal places) (a) Construct a 98% confidence interval for to (b) Construct a 99% confidence interval for to (c) Discuss why the 98% and 99% confidence intervals are different As the confidence level increases and all else stays the same, the confidence interval becomes wider Changing the confidence level or sample size while all else stays the same shifts the confidence interval left or right As the sample size increases and all else stays the same, the confidence interval becomes wider As the confidence level increases and all else stays the same, the confidence interval becomes narrower As the sample size increases and all else stays the same, the confidence interval becomes narrower. (d) What would you expect to happen to the confidence interval in part (a) if the sample size was increased? Be sure to explain your answer. It would be expected for the interval to shift left or right since the margin of error changed It would be expected for the interval to become wider since the margin of error decreased. It would be expected for the interval to become wider since the margin of error increased. It would be expected for the interval to become narrower since the margin of error increased. It would be expected for the interval to become narrower since the margin of error decreased Need Help? Read
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