QUESTION 16 The maximum possible rating on a test is 10. Scores are normally distributed with a standard deviation of 2.16. Your supervisor believes that the average score is less than 7. You took a simple random sample of 50 test scores to test if the supervisor is correct in believing that the score is less than 7. Use a=.05. The average for this group is 6.27. Which of the following is correct? O The supervisor is correct in believing that the average is less than 7. O The test statistic is 1.69 O You would use t-test for analysis O None of the above

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
QUESTION 16
The maximum possible rating on a test is 10. Scores are normally distributed with a standard deviation of 2.16. Your supervisor believes that the average score is less than 7.
You took a simple random sample of 50 test scores to test if the supervisor is correct in believing that the score is less than 7. Use a=.05. The average for this group is 6.27.
Which of the following is correct?
The supervisor is correct in believing that the average is less than 7.
The test statistic is 1.69
You would use t-test for analysis
None of the above
Transcribed Image Text:QUESTION 16 The maximum possible rating on a test is 10. Scores are normally distributed with a standard deviation of 2.16. Your supervisor believes that the average score is less than 7. You took a simple random sample of 50 test scores to test if the supervisor is correct in believing that the score is less than 7. Use a=.05. The average for this group is 6.27. Which of the following is correct? The supervisor is correct in believing that the average is less than 7. The test statistic is 1.69 You would use t-test for analysis None of the above
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 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