ndependent random samples of 45 and 55 observations are drawn from two quantitative populations, 1 and 2, respectively. The sample data summary is shown here in image attached At 5% level of significance do the data present sufficient evidence to indicate that the mean for population 1 is smaller than the mean fo

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 2E
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Independent random samples of 45 and 55 observations are drawn from two quantitative populations, 1 and 2, respectively. The sample data summary is shown here in image attached

At 5% level of significance do the data present sufficient evidence to indicate that the mean for population 1 is smaller than the mean for population 2? Use the p-value approach and the critical value approach and explain your conclusion.

Sample 1
Sample 2
Sample Size
Sample Mean
Sample Variance
45
55
2.28
2.40
0.088
0.096
Transcribed Image Text:Sample 1 Sample 2 Sample Size Sample Mean Sample Variance 45 55 2.28 2.40 0.088 0.096
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