A sample mean, sample size, population standard deviation, and confidence level are provided. x=33, n=23, σ=6, confidence level=90% a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn. The confidence interval is from __________to ________. (Type integers or decimals rounded to one decimal place as needed.) b. Obtain the margin of error by taking half the length of the confidence interval. What is the length of the confidence interval? _____________ (Type an integer or decimal rounded to one decimal place as needed.) Obtain the margin of error. =__________________ (type an integer or decimal rounded to two decimal places as needed) What is the margin of error obtained using the methods of parts (b) and (c) _______ (type an integer or decimal rounded to one decimal place as needed)
A sample mean, sample size, population standard deviation, and confidence level are provided. x=33, n=23, σ=6, confidence level=90% a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn. The confidence interval is from __________to ________. (Type integers or decimals rounded to one decimal place as needed.) b. Obtain the margin of error by taking half the length of the confidence interval. What is the length of the confidence interval? _____________ (Type an integer or decimal rounded to one decimal place as needed.) Obtain the margin of error. =__________________ (type an integer or decimal rounded to two decimal places as needed) What is the margin of error obtained using the methods of parts (b) and (c) _______ (type an integer or decimal rounded to one decimal place as needed)
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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A sample mean, sample size, population standard deviation, and confidence level are provided.
x=33,
n=23,
σ=6,
confidence level=90%a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample was drawn.
The confidence interval is from __________to ________.
(Type integers or decimals rounded to one decimal place as needed.)
b. Obtain the margin of error by taking half the length of the confidence interval.
What is the length of the confidence interval?
_____________
(Type an integer or decimal rounded to one decimal place as needed.)
Obtain the margin of error.
=__________________ (type an integer or decimal rounded to two decimal places as needed)
What is the margin of error obtained using the methods of parts (b) and (c)
_______ (type an integer or decimal rounded to one decimal place as needed)
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