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