The results of a statistical study of the relationship between two quantities show there is a linear correlation between the two quantities. Which statements are true?

Select all that apply.

A The relationship must be causal.

B The relationship cannot be causal.

C The relationship may or may not be causal.

D The correlation coefficient must be positive.

E The correlation coefficient must be negative.

F The correlation coefficient could be positive or negative.

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Which expression gives you the distance between the points (5,1)and(9,-6)

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.