Chapter 15

Partial and Multiple Correlation and Regression Analysis

LEARNING OBJECTIVES

After studying this chapter, you should be able to

  • describe the relationship between two variables when influence of one or more other variables is held constant or involved.

  • establish a regression equation for estimating value of a dependent variable given the values of two or more independent variables.

  • determine the extent of random error involved in the estimation of dependent variable value.

  • measure the coefficient of determination to understand the proportion of variation in the dependent variable which is explained by the independent variables.

Life can only be understood backward, but it must be lived forward.

 

—Niels Bohr

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