Question

Write down the formula for karl pearson coefficient of correlation

Answer 1

Step-by-step explanation:

r=sigma(x-x1)(y-y1)/underroot(x-x1)^2 (y-y1)^2

Answer 2

Answer:

r=sumation(X-Xbar) (Y-Ybar) /under root of summation (X-Xbar) 2 multiply by under root of (Y-Ybar) 2