During the first 13 weeks of the television season, the Saturday evening 8:00 p.m. to 9:00 p.m. audience proportions were recorded as ABC 29%, CBS 28%, NBC 25%, and independents 18%. A sample of 300 homes two weeks after a Saturday night schedule revision yielded the following viewing audience data: ABC 95 homes, CBS 70 homes, NBC 89 homes, and independents 46 homes. Testto determine whether the viewing audience proportions changed. Calculate the test statistic.

a) 4.045

b) -1.067

c) 17.678

d) 6.867

Choose the general form for the goodness-of-fit test statistic. Note that goodness-of-fit includes the test for multinomial goodness-of-fit and the test for independence. (n - 1)$2 O o Zi=1 (0 , - e;)2 ei , where of are observed frequencies and e, are expected frequencies