The Commerce Clause vests the Federal Government with exclusive control over foreign commerce

The Cp statistic is used

A) to determine if there is an irregular component in a time series. B) to choose the best model. C) to determine if there is a problem of collinearity. D) if the variances of the error terms are all the same in a regression model.

All internal auditors are required to have the CIA designation in order to practice internal auditing

a. True b. False Indicate whether the statement is true or false