A(n) ____ Is an Action You Take with Your Fingertip

question 5

Multiple Choice

A(n) ____ is an action you take with your fingertip directly on the screen, such as tapping or swiping.

• A) pointer
• B) log in
• C) gesture
• D) sign in

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Definitions:

Mean E(t)

The expected value of a random variable at time t, reflecting the average outcome if an experiment were repeated many times.

Degrees of Freedom

The number of independent values in a statistical calculation that are free to vary.

Number

An object in mathematics employed for counting, measuring, and labeling purposes.

Chi-Squared Distribution

A statistical distribution used in hypothesis testing that is derived from the sum of the squares of independent standard normal random variables.