The null hypothesis: H : LL O p X S The alternative hypothesis: H , : I 0=0 0=010=0 The type of test statistic: (Choose one) v 170 0-10-0 The value of the test statistic: ( Round to at least three X ? decimal places.) The critical value at the 0.01 level of significance: ( Round to at least three decimal places.) Can we support the claim that the mean completion time has decreased under new management? Yes No Explanation Check