PGBSCnTPaperVIIdec2007 · equations are 8x — I()y + 66 = 0 and 40x — 18y = 214. Find (a)...

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Transcript of PGBSCnTPaperVIIdec2007 · equations are 8x — I()y + 66 = 0 and 40x — 18y = 214. Find (a)...

Page 1: PGBSCnTPaperVIIdec2007 · equations are 8x — I()y + 66 = 0 and 40x — 18y = 214. Find (a) Average values of x and y. (b) Correlation coefficient between two variables. (c) Standard

 

 

 

 

Page 2: PGBSCnTPaperVIIdec2007 · equations are 8x — I()y + 66 = 0 and 40x — 18y = 214. Find (a) Average values of x and y. (b) Correlation coefficient between two variables. (c) Standard