Question 6 The multiple regression model assumptions for &, the error term, are the same as for the simple linear regression modelQuestion 4 In a multiple regression analysis containing two explanatory variables plus a constant with 30 data points, suppose that the errors are serially correlated and test is applied to the regression to investigate this issue. The test statistic takes a value of 2.92 with 1 % significance level. 1- Identify the problem that the researcher may face? 2- "What is the appropriate test and conclusion when the researcher test this issue? (State the hypothesis tests, all critical values, test statistics and conclusion)