Answer
The mode of the Nielsen rating poll is the group that watch 30 minutes of televison.
Step-by-step explanation
The mode in a dataset is the variable with the highest frequency. That is, the variable that occurs the most in the dataset.
37 people watching no television.
51 people watching 30 minutes of television.
17 people watching 45 minutes of television.
20 people watching 60 minutes of television.
19 people watching 75 minutes of television.
11 people watching 90 minutes of television.
50 people watching 120 minutes of television.
45 people watching 240 minutes of television.
The group with the highest frequency (51) is the the group that watch 30 minutes of television.
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