Question 6

The sales manager of a sporting goods chain store would like to use the numbers of rack to predict the sales of the golf clubs set. A random sample of 12 stores is selected with the following results.

--> Test at the 5% level of significance to determine whether the numbers of rack and weekly sales of the golf clubs set are positively related.

Store Numbers of rack Weekly sales (Set) 5 150 2 5 170 w 5 230 4 10 195 UI 10 250 10 270 15 240 15 280 15 290 10 20 265 11 20 295 12 20 320