YouTube Would Like to Test the Hypothesis That the Standard

question 21

Multiple Choice

YouTube would like to test the hypothesis that the standard deviation for the length of an online video watched by a user is more than 2 minutes. A random sample of 21 people who watched online videos was selected. The sample standard deviation for the length of the video was found to be 2.5 minutes. The test statistic for this hypothesis test would be _____.

• A)22.60
• B)31.25
• C)10.19
• D)4.66

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Definitions:

Packages

In a general context, packages refer to bundled sets of features, products, or services offered together, often at a discounted rate compared to purchasing items separately.

Management Function

Constitutes planning, organizing, leading, and controlling resources within an organization to achieve its goals efficiently and effectively.

Employee Schedule

A plan or chart that outlines the specific working hours, shifts, or duties assigned to employees over a set period.

Human Skills

The ability to work well with others, often considered essential for effective leadership and management.