utsourcing Company and Technica Global Services has better ustomer service, an independent survey group gathered data on he length of time (in minutes) a customer has to wait on hold efore someone answers the phone when calling the customer care otline for assistance. The data is summarized below. tatistics Primacom Outsourcing Company Technica Global Services Mean 8.14 9.426 tandard Deviation 1.345 1.813 ample Size 7 7 there a significant difference between the average lengths of me customers are on hold for the two companies? Use a 5% level of gnificance. Assume that the lengths of time on hold are normally istributed with unknown but equal population variances. . Perform a complete test of hypothesis. . Select here the conclusion for this test of hypothesis. O There is a significant difference between the average lengths of time customers are on hold for the two companies. O There is no significant difference between the average lengths of time customers are on hold for the two companies.
utsourcing Company and Technica Global Services has better ustomer service, an independent survey group gathered data on he length of time (in minutes) a customer has to wait on hold efore someone answers the phone when calling the customer care otline for assistance. The data is summarized below. tatistics Primacom Outsourcing Company Technica Global Services Mean 8.14 9.426 tandard Deviation 1.345 1.813 ample Size 7 7 there a significant difference between the average lengths of me customers are on hold for the two companies? Use a 5% level of gnificance. Assume that the lengths of time on hold are normally istributed with unknown but equal population variances. . Perform a complete test of hypothesis. . Select here the conclusion for this test of hypothesis. O There is a significant difference between the average lengths of time customers are on hold for the two companies. O There is no significant difference between the average lengths of time customers are on hold for the two companies.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
View complete solution
Transcribed Image Text:In an effort to determine which company between Primacom
Outsourcing Company and Technica Global Services has better
customer service, an independent survey group gathered data on
the length of time (in minutes) a customer has to wait on hold
before someone answers the phone when calling the customer care
hotline for assistance. The data is summarized below.
Statistics
Primacom Outsourcing Company Technica Global Services
Mean
8.14
9.426
Standard Deviation
1.345
1.813
Sample Size
7
7
Is there a significant difference between the average lengths of
time customers are on hold for the two companies? Use a 5% level of
significance. Assume that the lengths of time on hold are normally
distributed with unknown but equal population variances.
A. Perform a complete test of hypothesis.
B. Select here the conclusion for this test of hypothesis.
There is a significant difference between the average lengths of time customers are on hold for the two
companies.
There is no significant difference between the average lengths of time customers are on hold for the two
companies.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman