A recent survey conducted for the National Association of Broadcasters
A recent survey conducted for the National Association of Broadcasters investigated satellite radio subscriber service and usage. The June 2007 survey, conducted by Wilson Research Strategies, 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.
a. Identify the population of interest to the National Association of Broadcasters.
b. Based on the survey question, what is the variable of interest?
c. Does the variable produce quantitative or qualitative data?
d. Describe that sample of interest.
e. What inference can be made from the survey results?
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