Question

Consider the following data set consisting of two variables:
x 0 3 5 6 8
y 10 9 7 4 1
(a) Draw a scatter diagram of the data.
(b) Compute the correlation coecient r.
(c) Is there a linear relation between x and y that you are condent about? If so, in what direction? Justify your answer.

Answer 1

Solution :

using excel