A sociologist wants to determine if the variance of the life
A sociologist wants to determine if the variance of the life expectancy of people in Africa is less than the variance of the life expectancy of people in Asia. The data obtained is shown in the table below.
What is the test value to test the equality of variance.
1.60
1.26
0.79
1.65
| Africa | Asia |
| Xbar1 = 63.3 yr. | Xbar2 = 65.2 yr. |
| 1 = 9.1 yr. | 2 = 7.3 yr. |
| n1= 120 | n2 = 150 |
Solution
