Homework Help is Here – Start Your Trial Now!
Math
Statistics
4. QUESTION To compare customer satisfaction levels of two competing internet service provider companies, 174 customers of Company 1 and 355 customers of Company 2 were randomly selected and asked to rate their internet service provider companies on a five-point scale, with 1 being least satisfied and 5 most satisfied. The survey results are summarized in the following table: Company 1 Company 2 n, = 174 n2 = 355 X1 = 3.51 X2 = 3.24 S1 = 0.51 S2 = 0.52 4.1 Test at the 1% level of significance whether there is sufficient evidence to conclude that Company 1 has a higher mean satisfaction rating than does Company 2. (Ensure you use the following steps: Null hypothesis, Alternative hypothesis, Test statistic, Critical value, Decision with reason, Interpretation).

4. QUESTION To compare customer satisfaction levels of two competing internet service provider companies, 174 customers of Company 1 and 355 customers of Company 2 were randomly selected and asked to rate their internet service provider companies on a five-point scale, with 1 being least satisfied and 5 most satisfied. The survey results are summarized in the following table: Company 1 Company 2 n, = 174 n2 = 355 X1 = 3.51 X2 = 3.24 S1 = 0.51 S2 = 0.52 4.1 Test at the 1% level of significance whether there is sufficient evidence to conclude that Company 1 has a higher mean satisfaction rating than does Company 2. (Ensure you use the following steps: Null hypothesis, Alternative hypothesis, Test statistic, Critical value, Decision with reason, Interpretation).

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
4. QUESTION To compare customer satisfaction levels of two competing internet service provider companies, 174 customers of Company 1 and 355 customers of Company 2 were randomly selected and asked to rate their internet service provider companies on a five-point scale, with 1 being least satisfied and 5 most satisfied. The survey results are summarized in the following table: Company 1 Company 2 n, = 174 n2 = 355 X1 = 3.51 X2 = 3.24 S, = 0.51 S2 =0.52 4.1 Test at the 1% level of significance whether there is sufficient evidence to conclude that Company 1 has a higher mean satisfaction rating than does Company 2. (Ensure you use the following steps: Null hypothesis, Alternative hypothesis, Test statistic, Critical value, Decision with reason, Interpretation).
Transcribed Image Text:4. QUESTION To compare customer satisfaction levels of two competing internet service provider companies, 174 customers of Company 1 and 355 customers of Company 2 were randomly selected and asked to rate their internet service provider companies on a five-point scale, with 1 being least satisfied and 5 most satisfied. The survey results are summarized in the following table: Company 1 Company 2 n, = 174 n2 = 355 X1 = 3.51 X2 = 3.24 S, = 0.51 S2 =0.52 4.1 Test at the 1% level of significance whether there is sufficient evidence to conclude that Company 1 has a higher mean satisfaction rating than does Company 2. (Ensure you use the following steps: Null hypothesis, Alternative hypothesis, Test statistic, Critical value, Decision with reason, Interpretation).
4.2 Calculate the corresponding p-value 4.3 Interpret the p-value (not a generalized definition from text book)
Transcribed Image Text:4.2 Calculate the corresponding p-value 4.3 Interpret the p-value (not a generalized definition from text book)
Expert Solution
Step 1

We have given that, 

n1 = 174 ,  x̄1 = 3.51,    s1 = 0.51

n2= 355,    x̄2 = 3.24,    s2 = 0.52

And significance level (α) = 1% or =  0.01

Test statistics is, 

 

 

Statistics homework question answer, step 1, image 1

 

 

 

steps

Step by step

Solved in 3 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
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
SEE MORE TEXTBOOKS