In Exercises 1.7–1.12, classify each of the studies as either descriptive or inferential. Explain your answers.
1.7 TV Viewing Times. Data from a sample of Americans yielded the following estimates of average TV viewing time per month for all Americans 2 years old and older. The times are in hours and minutes; Q1 stands for first quarter. [SOURCE: The Cross-Platform Report, Quarter 1, 2011. Published by The Nielsen Company, © 2011.]
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