a. The following table shows demand

(x)

and supply

(y)

for a sample of a certain commodity.\ \\\\table[[

x

,12,7,11,19,5,21,3,4,17],[

y

,14,3,21,28,6,43,1,12,30]]\ i. Plot the points on a scatter graph and state the relationship between the two variables.\ [6 marks]\ ii. Calculate the value of the product moment correlation coefficient for the data and comment briefly.\ [8 marks]\ b. Company

Y

wants to determine the cost-volume relation between its factory overhead cost and number of units produced. The volume and the corresponding total cost information of the factory for past eight months are given below:

a. The following table shows demand (x) and supply (y) for a sample of a certain commodity. i. Plot the points on a scatter graph and state the relationship between the two [6 marks] variables. ii. Calculate the value of the product moment correlation coefficient for the data and comment briefly. [8 marks] b. Company Y wants to determine the cost-volume relation between its factory overhead cost and number of units produced. The volume and the corresponding total cost information of the factory for past eight months are given below