1390 romes two weeks after a Soturday nipht schedule revision vielded the following viewing audience data: ABC 92 homes, CBS 68 homes, NBC 81 homes, and independents 59 homes. TeAt with a=0.05 to deterwive whether the viewing oudience proportions changed. Test statistic pralue in Conctution: There b change in the viewng susience propertions.