A company offers ID theft protection using leads obtained from client banks. Three employees each work 40 hours a week on the leads. These employees are each paid $25 per hour. Each employee identifies an average of 3,000 potential leads a week. There are no duplications in these three lists. Material costs are $1,000 per week, and overhead costs are $9,000 per week. An average of 4 percent of the potential leads actually sign up for the service, paying a one-time fee of $70. Consider the output as the fees generated. a) What are the labor hours productivity and the multifactor productivity for this operation

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups.b. we cannot infer anything from these data since the distribution of salaries is likely right skewed.c. you cannot draw any valid conclusions because the sample sizes are different.d. more students should complete internships because having an internship produces a higher salary.