Cortana Is a Type Of

question 26

Multiple Choice

Cortana is a type of:

• A) intelligent digital assistant.
• B) widget.
• C) gadget.
• D) social network.

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Definitions:

Sample Variances

A measure of the spread or dispersion of a set of sample data points.

Test Statistic

A value calculated from sample data during a hypothesis test used to determine whether to reject the null hypothesis.

F-distribution

The F-distribution is a probability distribution that arises in the analysis of variances for comparing the variances of two or more samples.

F-distribution

A probability distribution that arises in the analysis of variances for comparing variances between samples.