Independent random samples of 36 and 45 observations are drawn from two quantitative populations, 1 and 2, respectively. The sample data summary is shown here:

Do the data present sufficient evidence to indicate that the mean for population 1 is smaller than the mean for population 2? Use one of the two methods of testing presented in this section, and explain your conclusions.

Transcribed Image Text:

Sample Sample 36 Sample Size Sample Mean Sample Variance 45 1.24 1.31 0560 0540