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9. A researcher records the odometer reading and price for a group of used Toyotas. What kind of correlation is likely to be obtained for these two variables? a. b. C. d. A correlation near zero A correlation near one A positive correlation A negative correlation

9. A researcher records the odometer reading and price for a group of used Toyotas. What kind of correlation is likely to be obtained for these two variables? a. b. C. d. A correlation near zero A correlation near one A positive correlation A negative correlation

Ciccarelli: Psychology_5 (5th Edition)
Ciccarelli: Psychology_5 (5th Edition)
5th Edition
ISBN:9780134477961
Author:Saundra K. Ciccarelli, J. Noland White
Publisher:Saundra K. Ciccarelli, J. Noland White
Chapter1: The Science Of Psychology
Section: Chapter Questions
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9. A researcher records the odometer reading and price for a group of used Toyotas. What kind of correlation is likely to be obtained for these two variables? نن فم b. 10. The X and Y variables are correlated in the figure below. Which coefficient describes the relationship? -0.02 +0.73 -0.40 -0.95 d. A correlation near zero A correlation near one A positive correlation A negative correlation b. d. 30 20 Y variable 0.5 Number of hours slept before exam: X 0.0 8 11. Listed are 5 correlations. Put them in order showing the lowest to highest degree of relationship: -0.35 +0.07 +0.96 -0.54 1.5 12. A set of n = 15 pairs of scores has ZX = 20, 2Y = 30, and EXY = 85. What is the value of SP for these data? 85 45 -1.0 X variable Search Number of correct answers on exam: Y T A previous student of this class was curious about the relationship between number of hours a person slept before an exam and the number of correct answers on the exam. She asked a sample of 5 people from her residence hall the number of hours they slept before their first exam and the number of correct answers they got on their first exam. The data are: . ΣΥΣΥ SP = [XY_[XY 1.5 XY ly X² Y² W
Transcribed Image Text:9. A researcher records the odometer reading and price for a group of used Toyotas. What kind of correlation is likely to be obtained for these two variables? نن فم b. 10. The X and Y variables are correlated in the figure below. Which coefficient describes the relationship? -0.02 +0.73 -0.40 -0.95 d. A correlation near zero A correlation near one A positive correlation A negative correlation b. d. 30 20 Y variable 0.5 Number of hours slept before exam: X 0.0 8 11. Listed are 5 correlations. Put them in order showing the lowest to highest degree of relationship: -0.35 +0.07 +0.96 -0.54 1.5 12. A set of n = 15 pairs of scores has ZX = 20, 2Y = 30, and EXY = 85. What is the value of SP for these data? 85 45 -1.0 X variable Search Number of correct answers on exam: Y T A previous student of this class was curious about the relationship between number of hours a person slept before an exam and the number of correct answers on the exam. She asked a sample of 5 people from her residence hall the number of hours they slept before their first exam and the number of correct answers they got on their first exam. The data are: . ΣΥΣΥ SP = [XY_[XY 1.5 XY ly X² Y² W
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