i EXAMPILE 9. Given X series Y series Mean 18 100 Standard Deviation 14 20 Coefficient of correlation between X and Y is +.8. Find out the most probable value of Y if Xis 70 and most probable value of X if Y is 90. (b) If the regression co-efficient are 0.8 and 0.6, what would be the value of the co-efficient of correlation.

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i EXAMPILE 9. Given
X series
Y series
Mean
18
100
Standard Deviation
14
20
Coefficient of correlation between X and Y is +.8. Find out the most probable value of Y if X
70 and most probable value of X if Y is 90.
(b) If the regression co-efficient are 0.8 and 0.6, what would be the value of the co-efficient of
correlation.
Transcribed Image Text:i EXAMPILE 9. Given X series Y series Mean 18 100 Standard Deviation 14 20 Coefficient of correlation between X and Y is +.8. Find out the most probable value of Y if X 70 and most probable value of X if Y is 90. (b) If the regression co-efficient are 0.8 and 0.6, what would be the value of the co-efficient of correlation.
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