Homework SourseThe means and standard deviation of some subgroups of the sa
The means and standard deviation of some subgroups of the sample are as shown in the following table:
Is there a significant difference in the mean diastolic blodd pressures, at alpha .05, between:
a. vegetarian and nonvegtarians
b.males and females
| Subgroup | Mean | Standard Deviation | n |
| Vegetarians | 72.9 | 11.7 | 40 |
| Nonvegetarians | 73.5 | 11.4 | 43 |
| Males | 74.9 | 12.0 | 38 |
| Females | 71.8 | 11.0 | 45 |
Solution
