The following information was obtained from matched samples. The daily production rates for a random sample of workers before and after a training program are shown below. Worker 1 2 3 4 5 6 7 Before N24NO 22 27 29 25 24 22 19 After 24 25 29 22 27 21 20 The null hypothesis to be tested is Ho: d = 0 using a 0.05 level of significance. Based on the results of this hypothesis test, state your conclusion.