A group of 25 husbands and wives were chosen randomly. Each…
A group of 25 husbands and wives were chosen randomly. Each person was asked to indicate the most he/she would be willing to pay for a new car (assuming a new car was going to be purchased). The researcher would like to test the hypothesis that husbands are willing spend more than their wives on average at the 5% significance level. This is an example of what type of test?