The trend forecast equation for gaming computers is: Sales = 50 + 420(time period). After comparing the results from the forecast against actual sales, the data analyst wished to determine if positive autocorrelation was present in the data. A Durbin Watson statistic was calculated and found to be equal to 1.22. There are 20 time periods. Using the 0.05 level of significance, what conclusion should be drawn 0 The test is inconclusive. We cannot say whether positive autocorrelation exists. 0 We should reject the alternate hypothesis. No positive autocorrelation exists. 0 We do not reject the null hypothesis. No autocorrelation exists. 0 We reject the null hypothesis of no autocorrelation. Positive autocorrelation exists