In order to compare the life expectancies of three different brands of printers, eight printers of each brand were randomly selected. Part of the resulting Analysis of Variance table is presented below: Source of Variation Sum of squares Degrees of freedom Mean square F-statistic p-value Printer Brand ? 2 ? ? 0.0081 Error 770 ? ?     Total 1218 23       We are interested in comparing the mean life expectancies for the three brands of printer using a significance level α = 0.05 .   c. Given the p-value provided in the Analysis of Variance table, decide whether to reject H0 in favour of Ha or to fail to reject H0.  d. Based on your decision in part (c), write your conclusion for the test in the context of the situation. Be specific.

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
Topic Video
Question

In order to compare the life expectancies of three different brands of printers, eight

printers of each brand were randomly selected. Part of the resulting Analysis of Variance table is presented below:

Source of

Variation

Sum of squares

Degrees of freedom

Mean square

F-statistic

p-value

Printer Brand

?

2

?

?

0.0081

Error

770

?

?

 

 

Total

1218

23

 

 

 

We are interested in comparing the mean life expectancies for the three brands of printer using a significance level α = 0.05 .

 

c. Given the p-value provided in the Analysis of Variance table, decide whether to reject H0 in favour of Ha or to fail to reject H0

d. Based on your decision in part (c), write your conclusion for the test in the context of the situation. Be specific.

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE 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