calculate the effect size and round two decimal places

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

A professor wants to show that students can improve their political science grades by reading the newspaper daily. He randomly assigns fifteen students to refrain from reading any newspapers before their first exam. He instructs the other fifteen students to read the newspaper in his office daily for one hour until the exam. He then wants to compare the exam grades of the two groups. The reading group's mean was 84.25 and the no reading group was 82.75. You accurately computer-1.22

calculate the effect size and round two decimal places 

write an APA style conclusion sum

Expert Solution
Step 1: Determine the given data in the question

Let mu subscript 1 space a n d space mu subscript 2 be the two population means of the reading group and no reading group. 

Given that,

Sample size left parenthesis n right parenthesis equals 15

Sample mean for the reading group left parenthesis x with bar on top subscript 1 right parenthesis equals 84.25

Sample mean for the no-reading group left parenthesis x with bar on top subscript 2 right parenthesis equals 82.75

Test statistic left parenthesis t right parenthesis equals 1.22



trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 7 images

Blurred answer
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