7q3r2 Time 9.8 3.3 4.5 2.8 14.4 2.6 6.7 8.9 3.9 4.1 2.5 2.8 0.1 1.3 6.3 10.8 7.5 Company A is trying to sell its website to Company B. As part of the sale, Company A claims that the average user of thei site stays on the site for 10 minutes. Company B is concerned that the mean time is significantly less than 10 minutes. Company B collects the times (in minutes) below for a sample of 17 users. Assume normality. Assignment 7q3 data Conduct the appropriate hypothesis test for Company B using a 0.03 level of significance. a) What are the appropriate null and alternative hypotheses? Hо: и = 10 versus Ha: u # 10 Но: х = 10 versus Ha: x # 10 Но: и 3D 10 versus Ha: и > 10 Но: и = 10 versus Ha: u < 10 b) What is the test statistic? Give your answer to four decimal places. -4.9437 c) What is the critical value for the test? Give your answer to four decimal places. 1.8808 X d) What is the appropriate conclusion? Fail to reject the claim that the mean time is 10 minutes because the test statistic is larger than the critical point. Reject the claim that the mean time is 10 minutes because the test statistic is larger than the critical point. Reject the claim that the mean time is 10 minutes because the test statistic is smaller than the critical point. Fail to reject the claim that the mean time is 10 minutes because the test statistic is smaller than the critical point
7q3r2 Time 9.8 3.3 4.5 2.8 14.4 2.6 6.7 8.9 3.9 4.1 2.5 2.8 0.1 1.3 6.3 10.8 7.5 Company A is trying to sell its website to Company B. As part of the sale, Company A claims that the average user of thei site stays on the site for 10 minutes. Company B is concerned that the mean time is significantly less than 10 minutes. Company B collects the times (in minutes) below for a sample of 17 users. Assume normality. Assignment 7q3 data Conduct the appropriate hypothesis test for Company B using a 0.03 level of significance. a) What are the appropriate null and alternative hypotheses? Hо: и = 10 versus Ha: u # 10 Но: х = 10 versus Ha: x # 10 Но: и 3D 10 versus Ha: и > 10 Но: и = 10 versus Ha: u < 10 b) What is the test statistic? Give your answer to four decimal places. -4.9437 c) What is the critical value for the test? Give your answer to four decimal places. 1.8808 X d) What is the appropriate conclusion? Fail to reject the claim that the mean time is 10 minutes because the test statistic is larger than the critical point. Reject the claim that the mean time is 10 minutes because the test statistic is larger than the critical point. Reject the claim that the mean time is 10 minutes because the test statistic is smaller than the critical point. Fail to reject the claim that the mean time is 10 minutes because the test statistic is smaller than the critical point
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
Transcribed Image Text:7q3r2
Time
9.8
3.3
4.5
2.8
14.4
2.6
6.7
8.9
3.9
4.1
2.5
2.8
0.1
1.3
6.3
10.8
7.5
Transcribed Image Text:Company A is trying to sell its website to Company B. As part of the sale, Company A claims that the average user of thei
site stays on the site for 10 minutes. Company B is concerned that the mean time is significantly less than 10 minutes.
Company B collects the times (in minutes) below for a sample of 17 users. Assume normality.
Assignment 7q3 data
Conduct the appropriate hypothesis test for Company B using a 0.03 level of significance.
a) What are the appropriate null and alternative hypotheses?
Hо: и
= 10 versus Ha: u # 10
Но: х
= 10 versus Ha: x # 10
Но: и 3D 10 versus Ha: и > 10
Но: и
= 10 versus Ha: u < 10
b) What is the test statistic? Give your answer to four decimal places. -4.9437
c) What is the critical value for the test? Give your answer to four decimal places. 1.8808
X
d) What is the appropriate conclusion?
Fail to reject the claim that the mean time is 10 minutes because the test statistic is larger than the critical point.
Reject the claim that the mean time is 10 minutes because the test statistic is larger than the critical point.
Reject the claim that the mean time is 10 minutes because the test statistic is smaller than the critical point.
Fail to reject the claim that the mean time is 10 minutes because the test statistic is smaller than the critical
point
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
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