(a)An econometrician suspects that the residuals of her model might be autocorrelated. Explain the steps involved in testing this theory using the Durbin - Watson (DW) test.
(b) The econometrician follows your guidance (!!!) in part (b) and calculates a value for the Durbin - Watson statistic of 0.95. The regression has sixty quarterly observations and three explanatory variables (plus a constant term). Perform the test. What is your conclusion?