A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. Final examination scores from a random sample of students enrolled today and from a random sample of students enrolled five years ago were selected. Today Five years ago
x bar 82 88
σ squared 112.5 54
η 45 36
The 95% confidence interval for the difference between the two population means is .
a. -9.92 to -2.08
b. -3.92 to 3.92
c. -13.83 to 1.84
d. -24.228 to 12.23

White company has two departments, cutting and finishing. the company uses a job-order costing system and computes a predetermined overhead rate in each department. the cutting department bases its rate on machine-hours, and the finishing department bases its rate on direct labor-hours. at the beginning of the year, the company made the following estimates: department cutting finishing direct labor-hours 6,000 30,000 machine-hours 48,000 5,000 total fixed manufacturing overhead cost $ 264,000 $ 366,000 variable manufacturing overhead per machine-hour $ 2.00 " variable manufacturing overhead per direct labor-hour " $ 4.00 required: 1. compute the predetermined overhead rate for each department. 2. the job cost sheet for job 203, which was started and completed during the year, showed the following: department cutting finishing direct labor-hours 6 20 machine-hours 80 4 direct materials $ 500 $ 310 direct labor cost $ 108 $ 360 using the predetermined overhead rates that you computed in requirement (1), compute the total manufacturing cost assigned to job 203. 3. would you expect substantially different amounts of overhead cost to be assigned to some jobs if the company used a plantwide predetermined overhead rate based on direct labor-hours, rather than using departmental rates?

Prepare beneish corporation's income statement and statement of stockholders' equity for year-end december 31, and its balance sheet as of december 31. there were no stock issuances or repurchases during the year. (do not use negative signs with your answers unless otherwise noted.)

1. what must one do to perform the essential managerial task of controlling in achieving organizational goals? a. motivate, coordinate, and energize individuals and groups to work together to achieve organizational goals b. choose appropriate organizational goals and courses of action to best achieve those goals c. establish task and authority relationships that allow people to work together to achieve organizational goals d. establish accurate measuring and monitoring systems to evaluate how well the organization has achieved its goals