8.2 Video on demand A recent study from Nielsen (available from nielsen.com; search for The Cross-Platform Report)

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8.2 Video on demand A recent study from Nielsen (available from nielsen.com; search for “The Cross-Platform Report”) took a sample to investigate how video on demand and other subscription-based services (such as Netflix, Amazon Prime, and Hulu) change TV viewing behavior of U.S. adults. Among others, the study recorded how many subscribers primarily watch content timeshifted

(i.e., not live) and the weekly number of hours adults spend watching content over the Internet.

a. Mention two population parameters that this survey is trying to estimate.

b. Mention two corresponding statistics that will estimate these population parameters with the help of the survey.

c. The sample mean number of hours watched online is an unbiased estimator for what parameter? Explain what unbiased means.

8.1 Practicing the Basics

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Statistics The Art And Science Of Learning From Data

ISBN: 9781292164878

4th Global Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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