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Unformatted text preview: income and find a value of r = 0.75. At the end of the study you find out all the IQ scores were scored 10 points too high. What will the value of r be with the corrected data? R will remain the same 10. If one calculates r for raw scores, and then calculates r on the z scores of the same data, the value of r will ____. Stay the same 11. If 49% of the total variability of Y is accounted for by X , what is the value of r ? 0.70 Height 60 64 65 68 Weight 103 122 137 132 12. What is the value of r for the following relationship between height and weight? 0.87 X 20 15 6 10 Y 6 5 4 13. For the following X and Y scores, how much of the variability of Y is accounted for by knowledge of X ? Assume a linear relationship. 34% 14. What is the value of the Spearman rank order correlation coefficient (rho) for the following pairs of ranks? 0.50 15. In order to properly use rho, the variables must be of at least ____ scaling. ordinal...
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This note was uploaded on 06/20/2011 for the course PSYCHOLOGY 3204 taught by Professor Someone during the Summer '11 term at University of Central Florida.
- Summer '11