Which of the Following Is a Real Time Form of Communication

question 141

Multiple Choice

Which of the following is a real time form of communication?

• A)email
• B)fax
• C)Skype
• D)extranet

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Definitions:

Variance

A statistical measure of the dispersion or spread in a set of data points, indicating how much the values differ from the mean of the set.

Variance

A measure of variability that denotes the average of the squared differences from the mean, showing how widely the values in a data set are spread.

Squared Deviations

Values obtained by subtracting the mean from each data point in a set, squaring the result to eliminate negative numbers, used in variance calculation.

Aptitude Test

An examination designed to measure a person's ability to develop skills or acquire knowledge, predicting future performance.