Adam would like to buy a used car,and collected several data to evaluate the best model (such as age,price,weight,etc.)Thanks to a scatterplot,he established that the relation between age and weight is somewhat linear.He calculated that the correlation between age and weight is 0.515.Describe the association.
A)Weak linear relation
B)No evidence of relation
C)Weak linear relation in a positive direction
D)Weak linear relation in a negative direction
E)Strong linear relation in a positive direction

Question

Quizplus · Accepted Answer

A correlation coefficient of 0.515 indicates a weak positive linear relationship between age and weight. As age increases, weight tends to increase, but the relationship is not very strong.

Adam Would Like to Buy a Used Car,and Collected Several