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10. In a partially destroyed laboratory record relating to correlation data, the following results are legible o,? = 9, Regression equations 8X- 10Y + 66 = 0, 40X– 18Y = 214. What were (a) the mean values of X and Y, (b) ơ,, (c) the co-efficient of correlation between X and Y ?

10. In a partially destroyed laboratory record relating to correlation data, the following results are legible o,? = 9, Regression equations 8X- 10Y + 66 = 0, 40X– 18Y = 214. What were (a) the mean values of X and Y, (b) ơ,, (c) the co-efficient of correlation between X and Y ?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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10. In a partially destroyed laboratory record relating to correlation data, the following results are legible o,² = 9, Regression equations 8X- 10Y + 66 = 0, 40X– 18Y = 214. What were (a) the mean values of X and Y , (b) , , (c) the co-efficient of correlation between X and Y ?
Transcribed Image Text:10. In a partially destroyed laboratory record relating to correlation data, the following results are legible o,² = 9, Regression equations 8X- 10Y + 66 = 0, 40X– 18Y = 214. What were (a) the mean values of X and Y , (b) , , (c) the co-efficient of correlation between X and Y ?
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