b. (2pts) Which of the following is NOT an assumption made on the standard regression assumptions? O They all have mean (expected value) 0 O They all have the same standard deviation O They all follow a binomial distribution O They are all independent of each other c. (2pts) Which of the following is true about the regression line? O The regression line minimizes the MSE of forecast errors. The regression line is the line with the largest prediction accuracy. O The regression line minimizes the sum of the squares of the residuals. O Regression may only be performed if the standard regression assumptions hold. O All of the above. d. (1pt) Is the slope of the regression line positive or negative? O Positive O Negative O Neither O There is not enough information to tell.e. (1pt) What is the null hypothesis for your hypothesis test? O Ho: Bo > 0 O Ho: BO 0 O Ho: B1 0 O Ha: Bo 0 O Ha: Bo 0 O Ha: B1