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?
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
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Question
Independent random samples were selected from population 1 and population 2. The following information was obtained from these samples:
Population 1 | Population 2 | |
38 | 38 | |
Sample |
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?
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