Question

Sum of deviations of X from mean value =8. Sum of squared deviation of Y from mean value =54. Sum of multiplication of deviation of X and Y = 32 Sum of squared deviations of X from mean value =60. From the above details the coefficient of correlation will be​

Answer 1

Answer:

0.56

Step-by-step explanation:

sum(xi-x)(yi-y)

r= ____________

sqrt(sum(xi-x)^2 x sum(yi -y)^2

here x, y be mean of X and Y respectively

sum(yi -y)^2 = 54

sum(xi-x)^2 = 60

sum(xi-x)(yi-y) = 32

32

r= ________ =32/56.92 = 0.56

sqrt(60*54)