Who won FIDE World Chess Championship

What is the mean of a data if its Pearson's coefficient of skewness is 0.25, standard deviation is 7 and mode is 20.

In the classical linear regression model (CLRM), one of the key assumptions is that the error term has:

During which plan, there was focus on indigenous growth?

When an individual’s consumption decreases the wellbeing of others, but the individual does not compensate those others. It is the case of__________.

If money is neutral,

Calculate the standard error of the estimate of Y on X regression equation for the following data- N =50 , ∑y² = 300 , ∑xy = 30, ∑x

The data about sales and advertisement expenditure of a firm is given below

Objective function was given as Z= 4X+5Y. Four extreme points were given as (0,4), (5,0), (3,3), (3,4). Find at which point function is maximized.

If coefficient of correlation rxy= 1, then