subject
Mathematics, 26.03.2021 21:50 mcalepcrager

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 30%, CBS 28%, NBC 24%, and independents 18%. A sample of 300 homes two weeks after a Saturday night schedule revision yielded the following viewing audience data: ABC 94 homes, CBS 66 homes, NBC 86 homes, and independents 54 homes. Test with = .05 to determine whether the viewing audience proportions changed. Round your answers to two decimal places.
χ2 =

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 20:30, brookieharrisop5n7us
What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?
Answers: 1
image
Mathematics, 21.06.2019 22:00, ash2905
Can you me find the slope! (30 points)
Answers: 2
image
Mathematics, 21.06.2019 22:20, flippinhailey
The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22
Answers: 1
image
Mathematics, 21.06.2019 23:40, christinasmith9633
30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.
Answers: 1
You know the right answer?
During the first 13 weeks of the television season, the Saturday evening 8:00 P. M. to 9:00 P. M. au...

Questions in other subjects: