Posts by park
Total # Posts: 4
pedro and juan can do a piece of work in 3 3/7 days. if pedro works in 3 days and juan in 4 days, they will finish the work. find the time required by each to do the work.
Annual demand for the notebook binders that Ted's Stationery Shop sells is 10,000 units. Ted operates his business on a 200-work-day year. The unit cost of a binder is $2, and the cost of placing an order with his supplier is $0.40. The cost of carrying a binder in ...
When groups of data are separated, an association can get stronger because of a lurking variable. That lurking variable is usually the number of observations in the different groups of data.