b. Provide a 95% confidence interval for the population mean number of weekly customer contacts for the sales personnel. O 18.19 to 20.65 O 18.29 to 20.92 O 18.15 to 20.59 O 18.21 to 20.79

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

Please show work

Note:-

  • Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism.
  • Answer completely.
  • You will get up vote for sure.
b. Provide a 95% confidence interval for the population mean number of weekly customer contacts
for the sales personnel.
O 18.19 to 20.65
O 18.29 to 20.92
O 18.15 to 20.59
O 18.21 to 20.79
Transcribed Image Text:b. Provide a 95% confidence interval for the population mean number of weekly customer contacts for the sales personnel. O 18.19 to 20.65 O 18.29 to 20.92 O 18.15 to 20.59 O 18.21 to 20.79
Sales personnel for Skillings Distributors submit weekly reports listing the customer contacts made
during the week. A sample of 65 weekly reports showed a sample mean of 19.5 customer contacts
per week. The sample standard deviation was 5.2.
a. Provide a 90% confidence interval for the population mean number of weekly customer contacts
for the sales personnel.
18.44 to 20.56
18.12 to 20.85
O 18.72 to 20.48
O 18.42 to 20.58
Transcribed Image Text:Sales personnel for Skillings Distributors submit weekly reports listing the customer contacts made during the week. A sample of 65 weekly reports showed a sample mean of 19.5 customer contacts per week. The sample standard deviation was 5.2. a. Provide a 90% confidence interval for the population mean number of weekly customer contacts for the sales personnel. 18.44 to 20.56 18.12 to 20.85 O 18.72 to 20.48 O 18.42 to 20.58
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 8 images

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