Giả sử thu thập ngẫu nhiên có được số liệu doanh thu bán hàng của các trạm xăng trên địa bàn TP. HCM như sau (ĐVT: Triệu đồng/tháng): 47 47 47 48 49 49 50
50 50 50 53 53 53 55
55 55 55 56 56 57 57
57 58 59 59 55 60 60
62 62 62 64 64 66 73

a. Phân tổ dữ liệu trên. Lập bảng phân phối tần số (frequency), tần số tích lũy (cumulative frequency), tần suất (relative frequency), tần suất tích lũy (cumulative relative frequency)
b. Từ tài liệu phân tổ tính trung bình, trung vị, yếu vị và nêu ý nghĩa của nó

Walter wants to deposit $1,500 into a certificate of deposit at the end of each ofthe next 6 years. the deposits will earn 5 percent compound annual interest. ifwalter follows through with his plan, approximately how much will be in his accountimmediately after the sixth deposit is made?

Asap describe three different expenses associated with restaurants. choose one of these expenses, and discuss how a manager could handle this expense.

Analyzing and computing accrued warranty liability and expense waymire company sells a motor that carries a 60-day unconditional warranty against product failure. from prior years' experience, waymire estimates that 2% of units sold each period will require repair at an average cost of $100 per unit. during the current period, waymire sold 69,000 units and repaired 1,000 units. (a) how much warranty expense must waymire report in its current period income statement? (b) what warranty liability related to current period sales will waymire report on its current period-end balance sheet? (hint: remember that some units were repaired in the current period.) (c) what analysis issues must we consider with respect to reported warranty liabilities?