- A metropolitan bus system sampler's rider counts on one of its express commuter routes for a week. Use the following data to establish whether the rider ship is evenly balanced by day of the week. Let α=0.05
- Day Monday Tuesday Wednesday Thursday Friday
- Rider Count 10 34 21 57 44
- Is the χ2 value significant at 5% level of significance?
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- A marketing research firm wished to study the relationship between wine consumption and whether a person likes to watch professional tennis on television. One hundred randomly selected people are asked whether they drink wine and whether they watch tennis. The following results are obtained:
- Watch Tennis Do not Watch Tennis Totals
- Drink Wine 16 24 40
- Do not Drink Wine 4 56 60
- Totals 20 80 100
- Test the hypothesis that whether people drink wine is independent of whether people watch tennis. Set α = 0.05
- Is the χ2 value significant at 5% level of significant?
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