e3355_quiz_2_version B_edit

The variability variance of residuals is the same for

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: space below. The variability (variance) of residuals is the same for any values of the predictor variables. (b) In Lecture 3 we observed from the time-series plot for Australian electricity production that the homoscedasticity assumption for these data appears to be violated. We applied a particular solution to solve this problem, a solution which the textbook also recommends. Briefly describe our solution in the space below. We transformed the original electricity data by taking the square root. 4. Consider an F test used in multiple...
View Full Document

This note was uploaded on 10/26/2013 for the course ECON 3355 taught by Professor Whitten during the Fall '12 term at University of Iowa.

Ask a homework question - tutors are online