While the Size of the Tail in the Long Tail

question 14

Multiple Choice

While the size of the tail in the long tail phenomenon is disputable, one fact that is critical to remain above this debate is that:

• A) traditional brick and mortar retailers offer selections that cannot be rivaled by Internet pure-plays.
• B) energy costs and worker wages drive up the costs of running stores like Netflix.
• C) customers are primarily attracted to the stores which offer a larger selection of titles.
• D) the turnover rate of obscure titles in traditional video rental stores is only slightly higher than those for Internet pure-plays.
• E) the cost of store maintenance and real estate makes stores such as Netflix unattractive.

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Definitions:

Test Statistic

A statistic whose calculated value is used to decide whether to reject the null hypothesis in a hypothesis test.

Population Distribution

The distribution of a characteristic within an entire population, described by parameters such as mean, variance, and standard deviation.

Null Hypothesis

A hypothesis that suggests there is no statistical significance between two variables, often used as a default hypothesis in testing.

Standard Deviation

A measure of the dispersion or spread of a set of values, indicating how much the values deviate from the mean of the data.