1. The director of Academic Support Services wants to test the efficacy of a possible intervention for undergraduate students who are placed on academic probation. She randomly assigns 28 such students to two groups. During the first week of the semester, students in Group 1 receive daily instruction on specific strategies for learning and studying. Group 2 students spend the same time engaged in general discussion about the importance of doing well in college and the support services that are available on campus. At the end of the semester, the director determines the mean GPA for each group. Use and alpha of .05 and a two tailed test to complete all 4 steps of hypothesis testing. Group 1 (strategy instruction) Group 2 (general discussion) n1 =14, M1 = 2.83, s1 = .41 n2 =14, M2 = 2.26, s2 =.39

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
1. The director of Academic Support Services wants to test the efficacy of a possible
intervention for undergraduate students who are placed on academic probation. She
randomly assigns 28 such students to two groups. During the first week of the
semester, students in Group 1 receive daily instruction on specific strategies for
learning and studying. Group 2 students spend the same time engaged in general
discussion about the importance of doing well in college and the support services
that are available on campus. At the end of the semester, the director determines the
mean GPA for each group. Use and alpha of .05 and a two tailed test to complete all 4
steps of hypothesis testing.
Group 1 (strategy instruction)
Group 2 (general discussion)
n1 =14, M1 = 2.83, s1 = .41
%3D
n2 =14, M2 = 2.26, s2 =.39
%3D
%3D
Transcribed Image Text:1. The director of Academic Support Services wants to test the efficacy of a possible intervention for undergraduate students who are placed on academic probation. She randomly assigns 28 such students to two groups. During the first week of the semester, students in Group 1 receive daily instruction on specific strategies for learning and studying. Group 2 students spend the same time engaged in general discussion about the importance of doing well in college and the support services that are available on campus. At the end of the semester, the director determines the mean GPA for each group. Use and alpha of .05 and a two tailed test to complete all 4 steps of hypothesis testing. Group 1 (strategy instruction) Group 2 (general discussion) n1 =14, M1 = 2.83, s1 = .41 %3D n2 =14, M2 = 2.26, s2 =.39 %3D %3D
Expert Solution
steps

Step by step

Solved in 3 steps with 3 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