2. Vận dụng: Số liệu thu thập từ một mẫu điều tra về mức thu nhập như sau: Thu nhập (triệu đồng) 4 - 8 8 – 12 12 – 16 16 – 20 20 – 24
Số người 6 22 14 5 3
Hãy tính:
a. Thu nhập bình quân.
b. Số trung vị và mốt về thu nhập.
c. Độ lệch tuyệt đối bình quân về thu nhập.
d. Phương sai và độ lệch chuẩn về thu nhập.
e. Hệ số biến thiên về thu nhập.

After all revenue and expense accounts have been closed at the end of the fiscal year, income summary has a debit of $2,450,000 and a credit of $3,000,000. at the same date, retained earnings has a credit balance of $8,222,600, and dividends has a balance of $125,000. required: a. journalize the entries required to complete the closing of the accounts on december 31. refer to the chart of accounts for exact wording of account titles. b. determine the amount of retained earnings at the end of the period.

James is an employee in the widget inspection department of xyz systems, a government contractor. james was part of a 3-person inspection team that found a particular batch of widgets did not meet the exacting requirements of the u.s. government. in order to meet the tight deadline and avoid penalties under the contract, james' boss demanded that the batch of widgets be sent in fulfillment of the government contract. when james found out, he went to the vice president of the company and reported the situation. james was demoted by his boss, and no longer works on government projects. james has a:

Suppose that a government that is skeptical of efforts to regulate prices charged by private companies is nevertheless concerned that an electric utility company is taking advantage of consumers with unfair pricing policies. which of the following policy options might most effectively enable the government to achieve its objectives in this situation? do nothing to all. turn the company into a public enterprise. use antitrust laws to increase competition. regulate the firm's pricing behavior.