# A government agency pays research contractors a fee to cover overhead costs, over and above the direct costs of a

## Question:

QUESTION CONTINUE TO NEXT PAGE€¦..

a. Obtain correlations of all pairs of variables. Is there a severe collinearity problem with the data?

b. Plot overhead costs against each of the other variables. Locate a possible high influence outlier.

c. Obtain a regression equation (with overhead costs as the dependent variable) using all the data including any potential outlier.

d. Delete the potential outlier, and get a revised regression equation. How much did the slopes change?

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## Step by Step Answer:

**Related Book For**

## An Introduction To Statistical Methods And Data Analysis

**ISBN:** 9781305465527

7th Edition

**Authors:** R. Lyman Ott, Micheal T. Longnecker

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