Question

What is the difference between correlation and regression?

Answer 1

$\red{Correlation}$

Meaning

Correlation is the relationship between two or more variable, which vary in the same or the opposite direction

Variables

Both the variables x and y are random variables.

Relationship

It finds out the degree of relationship between two variable and not cause the effect of the variable.

$\red{Regression}$

Meaning

Regression is mathematical measure showing the average relationship between two variables.

Variables

Here x is a random variable and y is a fixed variable. Sometimes both the variables may be random variables.

Relationship

It indicates the cause and effect relationship between the variables and establishes a functional relationship