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.

Diversified semiconductors sells perishable electronic components. some must be shipped and stored in reusable protective containers. customers pay a deposit for each container received. the deposit is equal to the container’s cost. they receive a refund when the container is returned. during 2018, deposits collected on containers shipped were $856,000. deposits are forfeited if containers are not returned within 18 months. containers held by customers at january 1, 2018, represented deposits of $587,000. in 2018, $811,000 was refunded and deposits forfeited were $41,000. required: 1. prepare the appropriate journal entries for the deposits received and returned during 2018. 2. determine the liability for refundable deposits to be reported on the december 31, 2018, balance sheet.

Any point on a country's production possibilities frontier represents a combination of two goods that an economy:

Suppose that the firm cherryblossom has an orchard they are willing to sell today. the net annual returns to the orchard are expected to be $50,000 per year for the next 20 years. at the end of 20 years, it is expected the land will sell for $30,000. calculate the market value of the orchard if the market rate of return on comparable investments is 16%.