Inferences and Predictions
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TIME: REMAINING
55:48
Two random samples were taken to determine how often people in a community listen to the local radio station each month
The first sample surveyed 15 people as they exited the bank on Main Street. The first sample found that the mean number of
hours they listened to the radio each month was 20
The second sample surveyed every sixth person as they exited the only local grocery store until 100 people were surveyed
The second sample found that the mean number of hours they listened to the radio each month was 12
Which statements are true? Check all that apply.
The second sample is random
The second sample is likely to be more representative of the population
The last sample skely to be more representative of the population
The fest sample w
ave a better representation because