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Contents of Standard Deviation
Standard Deviation
- When the deviate scores are squared in variance, their unit of measure is squared as well
- e.g., if people's weights are measured in pounds, then the variance of the weights would be expressed in poundsĀ² (or squared pounds)
- Since squared units of measure are often awkward to deal with, the square root of variance is often used instead
- The standard deviation is the square root of variance