Independent random samples were selected from population 1 and population 2. The following information was obtained from these samples:   Population 1 Population 2 Sample Size  38 38 Sample Mean 24.3 22.9 Sample Std. Deviation  3.8 3.3       b) Can you be 95% confident that there is a difference in the means of the two populations?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
icon
Related questions
Question

Independent random samples were selected from population 1 and population 2. The following information was obtained from these samples:

  Population 1 Population 2
Sample Size  38 38
Sample Mean 24.3 22.9
Sample Std. Deviation  3.8 3.3
     

b) Can you be 95% confident that there is a difference in the means of the two populations?

 

Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL