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Question
Five hundred randomly selected automobile owners were questioned on the main reason they had purchased their current automobile. The results are given below.| Styling | Engineering | Fuel Economy | Total | |
| Male | 70 | 130 | 150 | 350 |
| Female | 30 | 20 | 100 | 150 |
| 100 | 150 | 250 | 500 |
a. State the null and alternative hypotheses for a contingency table test.
b. State the decision rule for the critical value approach. Let a= 0.10.
c. Calculate the c2test statistic.
d. Give your conclusion for this test.
Answer
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