In a partially destroyed laboratory record of an analysis of correlation data, the following results only are legible: Variance of X = 9 Regression equations 8X – 10Y + 66 = 0 40X – 18Y = 214 Find on...

In a partially destroyed laboratory record of an analysis of correlation data, the<br>following results only are legible:<br>Variance of X = 9<br>Regression equations 8X – 10Y + 66 = 0<br>40X – 18Y = 214<br>Find on the basis of the above information<br>(i) The mean values of X and Y<br>(ii) Coefficient of correlation between X and Y, and<br>(iii) Standard deviation of Y.<br>

Extracted text: In a partially destroyed laboratory record of an analysis of correlation data, the following results only are legible: Variance of X = 9 Regression equations 8X – 10Y + 66 = 0 40X – 18Y = 214 Find on the basis of the above information (i) The mean values of X and Y (ii) Coefficient of correlation between X and Y, and (iii) Standard deviation of Y.

Jun 08, 2022

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In a partially destroyed laboratory record of an analysis of correlation data, the following results only are legible: Variance of X = 9 Regression equations 8X – 10Y + 66 = 0 40X – 18Y = 214 Find on...

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