sample of 75 stores in the chain, and measure the average daily sales. They find that sample mean is 5670 and sample standard deviation is 1750. Calculate a 90% confidence interval for the mean daily sales of their sales. * A. (5337.6, 6002.4) B. (2791.3, 8548.8) C. (5410.9, 5929.1) D. (3920.0, 7420.0) E. (5149.5, 6190.5)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
4. A publishing company is studying the sales of various franchises in their chain of stores. They draw a random
sample of 75 stores in the chain, and measure the average daily sales. They find that sample mean is 5670 and
sample standard deviation is 1750. Calculate a 90% confidence interval for the mean daily sales of their sales. *
A. (5337.6, 6002.4)
B. (2791.3, 8548.8)
C. (5410.9, 5929.1)
D. (3920.0, 7420.0)
E. (5149.5, 6190.5)
Transcribed Image Text:4. A publishing company is studying the sales of various franchises in their chain of stores. They draw a random sample of 75 stores in the chain, and measure the average daily sales. They find that sample mean is 5670 and sample standard deviation is 1750. Calculate a 90% confidence interval for the mean daily sales of their sales. * A. (5337.6, 6002.4) B. (2791.3, 8548.8) C. (5410.9, 5929.1) D. (3920.0, 7420.0) E. (5149.5, 6190.5)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman