Author Question: When autocorrelation is present, one of the assumptions of the regression model is violated and that ... (Read 83 times)

OSWALD · **on:** Jun 24, 2018

When autocorrelation is present, one of the assumptions of the regression model is violated and that assumption is the _____.
a. expected value of the error term is zero
b. variance of the error term is the same for all values of x
c. values of the error term are independent
d. values of the error term are normally distributed for all values of x

Question 2

The number of units expected to be sold is uniformly distributed between 300 and 500 . If r is a random number between 0 and 1, then the proper expression for sales is
a. 200(r)
b. r + 300
c. 300 + 500(r)
d. 300 + r(200)