There are four conditions/requirements that must be met in order to perform simple linear regression. For each of the conditions below, choose the technique that should be used to determine whether or not that the condition is met.(Each answer may be used once, more than once, or not at all.)

The probability distribution of ε is normal------?

The mean of the distribution of ε is 0 - or that E(ε)=0------?

A. Create a scatterplot of x vs. y

B. Plot residuals over time

C. Plot a histogram of the residuals

D. Plot residuals vs. y-hat