In regression analysis, which of the following is not a required assumption about the error term e? Answer The expected value of the error term is zero. The variance of the error term is the same for all values of x. The values of the error term are independent. All are required assumptions about the error term. In regression analysis, which of the following is not a required assumption about the error term e? In regression analysis, which of the following is not a required assumption about the error term e? The expected value of the error term is zero. The variance of the error term is the same for all values of x. The values of the error term are independent. All are required assumptions about the error term. The expected value of the error term is zero. The variance of the error term is the same for all values of x. The values of the error term are independent. All are required assumptions about the error term. Solution The expected value of the error term is one..