From a poll of 800 television viewers, the following data have been accumulate...
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From a poll of 800 television viewers, the following data have been accumulated as to their levels of education and their preference of television stations. We are interested in determining if the selection of a TV station is independent of the level of education.
| Educational Level | |||
| High School | Bachelor | Graduate | TOTAL |
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Public Broadcasting | 50 | 150 | 80 | 280 |
Commercial Stations | 150 | 250 | 120 | 520 |
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TOTAL | 200 | 400 | 200 | 800 |