Test the Hypotheses $H _ { 0 } :$ There Is No First-Order Autocorrelation

Essay

Test the hypotheses: $H _ { 0 } :$ There is no first-order autocorrelation $H _ { 1 } :$ There is negative first-order autocorrelation,
given that the Durbin-Watson statistic d = 2.50, n = 40, k = 3 and $\alpha =$ 0.05.