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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:

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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:

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Sample 1 Sample 2 Sample Size 45 55 Sample Mean 2.28 2.40 Sample Variance 0.088 0.096

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