You have been asked to determine if two production processes have different mean numbers of units produced per hour. Process 1 has a mean defined as ?1 and process 2 has a mean defined as ?2. The null and alternative hypotheses are as follows: H0:?d¯?0;Ha:?d¯>0. Using a random sample of 25 paired observations and d¯=1.489,sd=1.926,?=0.025,