In a blvariate data `sum x=30, sumy=400, sumx^(2)=196, sumxy=850 and n=10`. Find the regression coefficient of y on x.

If n = 5,sumx = sumy = 20, sumx^2 = sumy^2 = 90 , sumxy = 76 Find the regression equation of x on y.

For observations of pairs (x,y) of the variables x and y, the following results are obtained sumx=100, sumy=70, sumx^(2)=2500, sumy^(2)=2000, sumxy=100 and n =20 . Find the equation of the line of regresion of X and Y. Estimate the value of x if y=4.

For 10 observations on price (x) and supply(y) the following data was obtained sum x=130sum y=220sum x^(2)=2288sum y^(2)=5506 and sum xy=3467 what is the line of regression of y on x

The two lines of regression for a bivariate distribution (X,Y) are 3 x + y = 7 and 3x + 5y = 11 . Find the regression coefficient b_(yx)

Find the regression coefficient of x on y from the following data: sumx=15, sumy=15, sumy^(2)=49, sumxy=44, n=5 , Also find the value of x when y = 7.

Given, n = 5, Sigma x_(i) = 25, Sigma y_(i) = 20, Sigma x_(i) y_(i) = 90 and Sigma x_(i)^(2) = 135 , find the regression coefficient of y on x.

The following results were obtained with respect to two variable x and y: sumx = 30, sum y = 42, sumxy = 199, sumx^(2) = 184, sumy^(2) = 318, n=6 . Find the following: (i) The regression coefficients. (ii) Correlation coefficient between x and y. (iii) Regression equation of y on x. (iv) The likely value of y when x = 10.