Exercise 13.80 asked whether there is enough evidence to conclude that households whose heads have some college (EDCL: 3 = some college, 4 = college degree) have less debt (DEBT) than households whose heads completed a college degree.

a. In order to use the t-test of the difference between two means what condition must be satisfied? Is it satisfied? If not, what is the appropriate technique?

b. Use the technique you chose in part (a) to answer the question.

In exercise 13.80

Is there enough evidence to conclude that households whose heads have some college (EDCL: 3 = some college, 4 = college degree) have less debt (DEBT) than households whose heads completed a college degree?