BUS 308 Statistics for Managers - Ashford - Week 4 Quiz

1.

Question :

With reference to problem 1, what statistic determines the correlation of experience with productivity, controlling for age in experience?

 2.

Question :

In a problem where interest rates and growth of the economy are used to predict consumer spending, which of the following will increase prediction error?

 3.

Question :

With reference to problem 3, how is the regression constant or the a value interpreted?

 4.

Question :

Which of the following is a problem in simple regression?

 5.

Question :

In a problem where average temperature and number of daylight hours are used to predict energy consumption in homes, what does the standard error of multiple estimate gauge?

 6.

Question :

What does “shrinkage” mean in reference to regression solutions?

 7.

Question :

The degree to which years of education and years of experience together correlate with annual salary is indicated in multiple correlation. 

 8.

Question :

The criterion variable in regression is the variable used to predict the value of y.

 9.

Question :

Which of the following are consistent with the requirements of simple regression?

 10.

Question :

Larger sample diminish the standard error of the estimate.