Business Statistics

458 Business Statistics

the proportion of change in sales that can be attributed to marketing expenses? How can we develop a model to predict the relation-

ship between sales volume and marketing expenses? This chapter focuses on the answer to all these questions. The chapter focuses

on the concept of simple linear regression equation measures of variation, coefficient of determination, standard error of the estimate

and the use of residual analysis for testing the assumptions of regression. The chapter also deals with the concept of autocorrelation

by using the Durbin–Watson statistic and explains the understanding of statistical inference ...