9ABCDEFG
HI
Over a period of one year, a
greengrocer sells tomatoes at 7
different prices. She Calculates the
average number of oiunds sold per
day at each different price. From
theese data, the following are
calculated. $\sum x = 217$, $\sum y = 417$,
$\sum xy = 14354$, $\sum x^2 = 8239$,
$\sum y^2 = 49459$ Calulate the
correlation coefficeint.
A) 0.14686555814
B) -0.3947011875
C) -0.0779656666667
D) 0.0668277142857 E) 0.233897
F) none of these