The purpose of regression analysis is to find a mathematical relationship that a

Question

The purpose of regression analysis is to find a mathematical relationship that allows us to:

A) predict the value of an independent variable based on the value of a dependent variable.

B) predict the value of a dependent variable based on the value of an independent variable.

C) determine whether the average value of one variable, x, differs significantly from the average value of another variable, y.

D) determine whether two events X and Y are statistically dependent or statistically independent.

Explanation / Answer

The mathematical expression of regression equation is

y = a + bx

Where a = intercept

b = slope

y is dependent variable , x is independent variable.

Using this equation we predict the value of a dependent variable when we know the independent variable.

Hence the correct option is

B) predict the value of a dependent variable based on the value of an independent variable.

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