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Unformatted text preview: tendency for that distribution. 8. Describe how the three measures of central tendency are related to each other in symmetrical and skewed distributions. 9. Identify those situations where there is a preference for one measure of variability over another. 10. Predict the effects on the mean and standard deviation of a score distribution as a consequence of adding, subtracting, dividing, or multiplying each score by a constant. 11. Given raw scores, compute percentile ranks. 12. Construct operational definitions of variables that you cannot observe....
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- Spring '08