Confidence Interval Information for Sample Size n = 100 Confidence Level Margin of Error Lower Conf. Limit Upper Conf. Limit Width of Interval 90% 1.965742743 17.36425726 21.29574274 3.931485487 95% 4.314863949 15.01513605 23.64486395 8.629727898 99% 7.424274313 11.90572569 26.75427431 14.84854863 Confidence Interval Information for Sample Size n = 50 Confidence Level Margin of Error Lower Conf. Limit Upper Conf. Limit Width of Interval 90% 11.22842807 6.95157193 29.40842807 22.45685614 95% 14.03402448 4.145975525 32.21402448 28.06804895 99% 17.77554332 0.404456678 35.95554332 35.55108664 Compare the table in question 1 (n = 100) to the table here in question 3 (n = 50). Does a small sample size result in narrower or wider intervals? Explain.

The question is about confidence interval Given : For n = 100 Width of 90 % CI = 3.931485487 Width…

Answered: Confidence Interval Information for…

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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Confidence Interval Information for Sample Size n = 100
Confidence Level	Margin of Error	Lower Conf. Limit	Upper Conf. Limit	Width of Interval
90%	1.965742743	17.36425726	21.29574274	3.931485487
95%	4.314863949	15.01513605	23.64486395	8.629727898
99%	7.424274313	11.90572569	26.75427431	14.84854863

Confidence Interval Information for Sample Size n = 50
Confidence Level	Margin of Error	Lower Conf. Limit	Upper Conf. Limit	Width of Interval
90%	11.22842807	6.95157193	29.40842807	22.45685614
95%	14.03402448	4.145975525	32.21402448	28.06804895
99%	17.77554332	0.404456678	35.95554332	35.55108664

Compare the table in question 1 (n = 100) to the table here in question 3 (n = 50). Does a small sample size result in narrower or wider intervals? Explain.

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