A ____ Is an Input Device

question 16

Multiple Choice

A ____ is an input device.

• A) scanner
• B) keyboard
• C) digital camera
• D) printer

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Definitions:

T-distribution

A probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and the population variance is unknown.

Sampling Distribution

The probability distribution of a given statistic based on a random sample.

Independent Sample Variances

A measure of the variability in each of two or more independent samples, used in hypothesis testing to assess the assumption of equal variances.

Normal Populations

Populations that are distributed in a way that forms a symmetrical, bell-shaped curve when graphed, with most members being close to the average.