You may need to use the appropriate appendix table or technology to answer this question The following information was obtained from matched samples taken from two populations The daily production rates for a sample of workers before and after a training program are shown be Assume the population of differences is normally distributed Worker 1 2 3 4 5 6 7 Before After 21 26 28 24 23 21 18 24 25 29 22 27 21 20 Given that the null hypothesis to be tested is Ho H 0 at a 0 05 and the test statistic is 1 04 O the alternative hypothesis should be revised the null hypothesis should be revised O the null hypothesis should not be rejected the null hypothesis should be rejected