Purchase Solution

Statistic Multiple Regression Model. Explain how to further optimize the model

Not what you're looking for?

Ask Custom Question

Bob wanted to build a multiple regression model based on advertising expenditures and price index. based on the selection of all normal values, he obtained the following:

1) Multiple R - 0.738
2) R-Square - 0.546

By using lagged values, he came up with the following:

3) Multiple R - 0.755
4) R-Square - 0.570

Explain the differences in using these different models. How could they further optimize this model.

Purchase this Solution

Solution Summary

Bob wanted to build a multiple regression model based on advertising expenditures and price index. The solution explains how using different models.

Purchase this Solution


Free BrainMass Quizzes
Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.