Question

what do you mean by postive and negative corelation ?write two characteristics of co efficient of correlation

Answer 1

Positive Correlation - It is when both the variables are moving in the same direction i.e when both the variables are moving together either upwards or downwards.

Negative Correlation - It is when both the variables are moving in opposite direction i.e. when one variable is moving upward the other is moving downward and vice versa.