Solve the following questions in the attachments below. Printed only.

1 Given the following data. Regress yon Xi and X2 and interprete your results . V y 10 9 14 7 5 XI 3 2 - 2 3 5 X 2 3 - 1 4 6 2 4 2 . The following data relates to the saler and profit of ABC Itd over 10 years. Calculate the sample correlation coefficient between sales and profits, Time in years 2 3 4 5 6 7 f 19 sales in $.oDo's 10 20 30 40 50 60 70 80 90 100 profit is $. ooos 2 3 5 7 9 11 12 14 19