Researchers wish to study fuel consumption rates based on speed.The data from 10 cars is below: It can be shown that for these data: Calculate the sample correlation coefficient.
A)0.12
B)-0.12
C)-0.36
D)-0.34
E)0.34

Name: Researchers wish to study fuel consumption rates based on speed.The data from 10 cars is below: It can be shown that for these data: Calculate the sample correlation coefficient. A)0.12 B)-0.12 C)-0.36 D)-0.34 E)0.34
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Question

Researchers wish to study fuel consumption rates based on speed.The data from 10 cars is below:  It can be shown that for these data:  Calculate the sample correlation coefficient.
A)0.12 
B)-0.12 
C)-0.36 
D)-0.34 
E)0.34

Quizplus · Accepted Answer

r= s_xy/(s_x s_y)= -30.02/ 88.17= -0.34

Researchers Wish to Study Fuel Consumption Rates Based on Speed