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Statistics Terms

1) What is the variance-measures how different scores are from each other

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S2= E(X-X)2
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2) What is the equation for standard deviation-square root of variance (more meaningful because it puts variability measure in the same units as original data)

S=(SQUARE ROOT) E(X-X)2
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3) How can statistics be used in psychology?

Solution Summary

This explains variance and standard deviation and provides applications of statistics in psychology. The solution is provided within an attached Word document.

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