I. The test static is ?

: During the first 13 weeks of the television season, the Saturday evening 8:00 RM. to 9:00 P.M. audience proportions were recorded as ABC 29%, CBS 27%, NBC 25%, and independents 19%. A sample of 300 homes two weeks after a Saturday night schedule revision yielded the following viewing audience data: ABC 92 homes, CBS 62 homes, NBC 87 homes, and independents 59 homes. Test with a = .05 to determine whether the viewing audience proportions changed. Round your answers to two decimal places. Test statistic = [j] 0