Refer to the following summary statistics for two independent samples for Exercises 4–7.
Sample 1 | n1=36 | ˉx1=14.4 | s1=0.01 |
Sample 2 | n2=81 | ˉx2=14.3 | s2=0.02 |
7. Construct and interpret a 95% confidence interval for μ1−μ2.
10.99.7
(0.094, 0.106). We are 95% confident that the interval captures the difference in population means.