SOLUTION: The Following table given the these scores and sales be nine salesman during last one year in a certain firm : Text scores 14 19 24 21 26 22 15 20 19 Sales ( in 000'Rupees) 31 3

Question 697222: The Following table given the these scores and sales be nine salesman during last one year in a
certain firm :
Text scores 14 19 24 21 26 22 15 20 19
Sales ( in 000'Rupees) 31 36 48 37 50 45 33 41 39
Compute the Karl Praeson's Coefficient of Correlation and interpret the result. (ISC 1993)
x y dx=x-20 dy=y-40 dxdy dx2 dy2
14 31 -6 -9 54 36 81
19 36 -1 -4 4 1 16
24 48 4 8 32 16 64
21 37 1 -3 3 1 9
26 50 6 10 60 36 100
22 45 2 5 10 4 25
15 33 -5 -7 35 25 49
20 41 0 1 0 0 1
19 39 -1 -1 1 1 1
Σx=180 Σy=180 Σdxdy=90 Σdx2=120 Σdy2=346
.Find the probability of drawing a diamond card in each of the consecutive draws from a well
shuffled pack of cards,if the card drawn is not replaced after the first draw.
A bag contain 5 white , 7 red and 8 black balls. If four balls are drawn one by one without
replacement, find the probability of getting all white balls.
M
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!

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