The registrar of a certain school claimed that the average IQ of their students is 105 with a standard deviation of 4.5. To verity the validity of the statement made by the researcher, a psychology student conducted an investigation by taking 30 students as his participants and found them to have an average IQ of 103.34. Based on the results, can we confirm the claim of the registrar? Use 1% level of significance.

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
100%

FOLLOW THE INSTRUCTIONS AND ANSWER COMPLETELY AND TYPEWRITTEN FOR UPVOTE.

NOT FOLLOWING MY INSTRUCTIONS GETS DOWNVOTE

3. The registrar of a certain school claimed that the average IQ of their students is 105 with a
standard deviation of 4.5. To verity the validity of the statement made by the researcher, a
psychology student conducted an investigation by taking 30 students as his participants and
found them to have an average IQ of 103.34. Based on the results, can we confirm the claim
of the registrar? Use 1% level of significance.
3
Transcribed Image Text:3. The registrar of a certain school claimed that the average IQ of their students is 105 with a standard deviation of 4.5. To verity the validity of the statement made by the researcher, a psychology student conducted an investigation by taking 30 students as his participants and found them to have an average IQ of 103.34. Based on the results, can we confirm the claim of the registrar? Use 1% level of significance. 3
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

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