The manager of a bookstore wants to predict Sales from Number of Sales People Working using the accompanying data. Complete parts a through h below.

Number of Sales People Working: 2 4 8 10 12 12 14 16 17 22

Sales (in $1000): 10 11 14 15 19 21 21 24 24 27

x = 11.7

y = 18.6

SD(X) = 6.04 SD(y) = 5.83

r = 0.977

f) If 18 people areworking, what sales(in dollars) do youpredict?