Atelevision viewership ratings company conducted a survey to rate the local television channels of a particular town. the town had a total population of 5,000 residents, and the survey was conducted by randomly selecting two groups of 400 residents each. each resident who participated in the survey voted for his or her favorite channel. the results obtained are given in the table shown below.
channels group a group b
channel 1 96 84
channel 2 143 169
channel 3 84 76
channel 4 77 71
which of the following statements about the data above is true?
a. the estimated number of residents who would have voted for channel 1 is higher for group a than group
b. b. the estimated number of residents who would have voted for channel 3 is higher for group b than group
a. c. the estimates for both groups show an equal number of residents would have voted for channel 1.