Refer to Application Problem 13.22 and consider the two propositions that (i) the data for Period I represent DuPont facility operation when the true mean number of accident occurrences per quarter is 6; and that (ii) by Period II, the true mean number of accident occurrences has been reduced by 50%. By computing appropriate probabilities and carrying out appropriate comparisons, argue for or against the statement: "These two propositions are consistent with the data."