Chapter 11: Q 56 (page 658)
The appropriate test is test for homogeneity
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According to Dan Lenard, an independent insurance agent in the Buffalo, N.Y. area, the following is a breakdown of the amount of life insurance purchased by males in the following age groups. He is interested in whether the age of the male and the amount of life insurance purchased are independent events. Conduct a test for independence.
Where is located on a chi-square curve?
use a solution sheet to solve the hypothesis test problem. Go to Appendix E for the chi-square solution sheet. Round expected frequency to two decimal places car manufacturers are interested in whether there is a relationship between the size of the car an individual drives and the number of people in the driver’s family (that is, whether car size and family size are independent).To test this, suppose that car owners were randomly surveyed with the results in Table . Conduct a test of independence.
| Family Size | Sub & Compact | Mid-size | Full-size | Van & Truck |
Table 11.44
Some travel agents claim that honeymoon hot spots vary according to the age of the bride. Suppose that recent brides were interviewed as to where they spent their honeymoons. The information is given in Table . Conduct a test of independence
| Location | and over | |||
| Niagara Falls | ||||
| Poconos | ||||
| Europe | ||||
| Virgin Islands |
A psychologist is interested in testing whether there is a difference in the distribution of personality types for business majors and social science majors. The results of the study are shown in Table. Conduct a test of homogeneity. Test at a level of significance.
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