Which Is an Example of an Input Device

question 55

Multiple Choice

Which is an example of an input device?

• A)A barcode reader
• B)A cathode ray tube
• C)An inkjet printer
• D)An organic light-emitting diode

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Definitions:

Sampling Error

The discrepancy between the statistical characteristics of a population and those of a sample from that population.

Sample Mean

The average value of a sample set, calculated by summing the sample points and dividing by the number of samples.

Standard Error

The standard deviation of the sampling distribution of a statistic, often used in the estimation of the mean.

Point Estimate

A single value or statistic that serves as the best guess or most plausible value of a population parameter based on sample data.