A forecaster wishes to present the (i) magnitude (size) and (ii) direction (bias) of a forecast's error, as well as (iii) draw a confidence interval around the extent of error in the forecast, in that order. Which of the following sequence of error measures best represents this arrangement? a. MAPE, Mean Error (or MPE), RMSE , in that order.
b. Mean error, MAPE, MAD (or MAE) , in that order.
c. Theil's U Stat, RMSE, MAPE , in that order.
d. Mean Error, CFE, MAPE, in that order.

Anew equipment has been proposed by engineers to increase the productivity of a certain manual welding operation. the investment cost is $25,000, and the equipment will have a market value of $5,000 at the end of a study period of five years. increased productivity attributable to the equipment will amount to $10,000 per year after operating costs have been subtracted from the revenue generated by the additional production. if marr is 10%, is investing in this equipment feasible? use annual worth method.

At the end of year 2, retained earnings for the baker company was $3,550. revenue earned by the company in year 2 was $3,800, expenses paid during the period were $2,000, and dividends paid during the period were $1,400. based on this information alone, retained earnings at the beginning of year 2 was:

The assumptions of the production order quantity model are met in a situation where annual demand is 3650 units, setup cost is $50, holding cost is $12 per unit per year, the daily demand rate is 10 and the daily production rate is 100. the production order quantity for this problem is approximately: