Respuesta :
Answer:
Step-by-step explanation:
Variance of X = 9
Regression equations are
(*) 8x −10y + 66 = 0
(**) 40x −18y − 214 = 0
Find out the following missing results.
(i) The means of X and Y
(ii) The coefficient of correlation between x and y
(iii) The standard deviation of Y
