Bracken Clinic uses client-visits as its measure of activity. During September, the clinic budgeted for 2,100 client-visits, but its actual level of activity was 2,140 client-visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for September: Fixed element per Variable element per month client-visitRevenue $44.50Personnel expenses $26,100 $12.60Medical supplies 600 7.20Occupancy expenses 6,500 2.40Administrative expenses 3,100 0.10Total expenses $36,300 $22.30Actual results for September:Revenue $93,240 Personnel expenses $50,754 Medical supplies $15,328 Occupancy expenses $11,646 Administrative expenses $3,394 The overall revenue and spending variance (i. e., the variance for net operating income in the revenue and spending variance column on the flexible budget performance report) for September would be closest to .

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.