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A television CEO believes viewership of the evening news does not depend on age. She collects...

  1. A television CEO believes viewership of the evening news does not depend on age. She collects a random sample of 2000 television viewers across four different age groups and asks whether or not they watch the evening news. The results are as follows:

Watch              | 18 years old             19 to 35             36 to 54            55 years old

Evening News | or less                       years old            years old             or more

___________________________________________________________

Yes                  |           74                        96                                112 146

No                   |           426                      404                              388                  354

Test to see whether watching the evening news and age grouping are independent at the 0.05 level using the Chi-Square test. Conduct this test by hand and using the Chi-Square table instead of using Excel.

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