Why Do We Square the Deviation Scores When Calculating the Variance

question 8

Multiple Choice

Why do we square the deviation scores when calculating the variance?

• A)Because squared deviation scores are in the original units of measurement of the sample
• B)Because adding all the deviation scores will always give a value of zero
• C)Because you cannot generate an average for negative scores

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Definitions:

Integer

A data type used in programming to represent whole numbers without decimal points.

Decimal Point

A symbol used in numerical values to separate the integer part from the fractional part.

Single-precision

A format for representing floating-point numbers that uses 32 bits, providing a certain degree of accuracy.

Float

A data type in programming used to represent real numbers that have a fractional part.