Question 2: A recent survey conducted for the National Association of Broadcaste

Question

Question 2: A recent survey conducted for the National Association of Broadcasters investigated satellite radio subscriber service and usage. The June 2007 survey consisted of a random sample of 501 satellite radio subscribers. One of the questions of interest was, "Do you have a satellite radio receiver in your car?" The survey found that 396 subscribers did, in fact have a satellite receiver in their car. Identify the population of interest and the sample of interest and the variable of interest

Explanation / Answer

The random sample of 501 satellite radio subscribers here is used to find inferences about the all national radio suscriber service and usage.

Therefore the random sample of 501 radio suscribers here is the sample data and the whole set of all national radio subscribers here is the population data.

The variable of interest here is the proportion of subscribers who have a satellite receiver in their car.

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