B₁ is an estimator of B₁ a. True O b. False QUESTION 34 The trim-and-fill method is used address the problem of heteroskedasticity. True False QUESTION 35 The expected value of the variable M is the population average of the variable M. O a. True b. False QUESTION 36 The letter N is typically used to refer to the total number of observations in the Population. O a. True O b. False
