When autocorrelation is present, one of the assumptions of the ...

[OSWALD]

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)

[aliotak]

Answer to Question 1

c

Answer to Question 2

D

[OSWALD]

Excellent

[ecabral0]

Gracias!