You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. From a random sample of 77 dates, the mean record high daily temperature in a certain city has a mean of 83.14°F. Assume the population standard deviation is 14.26°F The 90% confidence interval is (80.47, 85.81). (Round to two decimal places as needed.) The 95% confidence interval is ( D (Round to two decimal places as heeded.)
You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. From a random sample of 77 dates, the mean record high daily temperature in a certain city has a mean of 83.14°F. Assume the population standard deviation is 14.26°F The 90% confidence interval is (80.47, 85.81). (Round to two decimal places as needed.) The 95% confidence interval is ( D (Round to two decimal places as heeded.)
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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![You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population
mean. Interpret the results and compare the widths of the confidence intervals.
From a random sample of 77 dates, the mean record high daily temperature in a certain city has a mean of 83.14 F. Assume the population standard deviation is
14.26 F.
The 90% confidence interval is (80.47 , 85.81).
(Round to two decimal places as needed.)
The 95% confidence interval is ( ID
(Round to two decimal places as eded.).
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Transcribed Image Text:You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population
mean. Interpret the results and compare the widths of the confidence intervals.
From a random sample of 77 dates, the mean record high daily temperature in a certain city has a mean of 83.14 F. Assume the population standard deviation is
14.26 F.
The 90% confidence interval is (80.47 , 85.81).
(Round to two decimal places as needed.)
The 95% confidence interval is ( ID
(Round to two decimal places as eded.).
Dadds. Teecher es.evelyne
My Courses
Course Home
Assignments
Gradebook
Chapter Contents
eТext
Multimedia Library
View an example
Get more help-
Media -
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Check answver
Help me solve this
Study Plan
Tnols for Success.
52°F
> @见首 命
9 Type here to search
10/05/17
Delete
PriSc
Insert
F10
F11
F12
F4
F6
F7
F8
F9
F3
F5
Rackspace
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