A sample of 22 students had an average of 60 points in an 80-item test. The standard deviation of the population is not known, but the standard deviation of the sample is 10. Construct a 99% confidence interval on the average score of all students who took the test. Select the correct response: none of the choices 55.57 points to 64.43 points 53.31 points to 66.69 points 54.86 points to 65.14 points

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
Please choose the right answer thankyou
A sample of 22 students had an average of 60 points in an 80-item test. The standard deviation of the population is not known, but the standard
deviation of the sample is 10. Construct a 99% confidence interval on the average score of all students who took the test.
Select the correct response:
none of the choices
55.57 points to 64.43 points
53.31 points to 66.69 points
54.86 points to 65.14 points
Transcribed Image Text:A sample of 22 students had an average of 60 points in an 80-item test. The standard deviation of the population is not known, but the standard deviation of the sample is 10. Construct a 99% confidence interval on the average score of all students who took the test. Select the correct response: none of the choices 55.57 points to 64.43 points 53.31 points to 66.69 points 54.86 points to 65.14 points
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
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