Use the sample information �̅= 37, σ = 5, n = 36 to calculate the following confidence intervals for μ. a) 90% confidence interval b) 95% confidence interval c) 99% confidence interval d) Describe how the intervals change as you increase the confidence level. (i) The interval gets narrower as the confidence level increases. (ii) The interval gets wider as the confidence level decreases. (iii) The interval gets wider as the confidence level increases. (iv) The interval stays the same as the confidence level increases.
Use the sample information �̅= 37, σ = 5, n = 36 to calculate the following confidence intervals for μ. a) 90% confidence interval b) 95% confidence interval c) 99% confidence interval d) Describe how the intervals change as you increase the confidence level. (i) The interval gets narrower as the confidence level increases. (ii) The interval gets wider as the confidence level decreases. (iii) The interval gets wider as the confidence level increases. (iv) The interval stays the same as the confidence level increases.
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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Use the sample information �̅= 37, σ = 5, n = 36 to calculate the following confidence
intervals for μ.
a) 90% confidence interval
b) 95% confidence interval
c) 99% confidence interval
d) Describe how the intervals change as you increase the confidence level.
(i) The interval gets narrower as the confidence level increases.
(ii) The interval gets wider as the confidence level decreases.
(iii) The interval gets wider as the confidence level increases.
(iv) The interval stays the same as the confidence level increases.
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