Q. Last four weekly values of sales were 80, 100, 105, also 90 units. Last four forecasts (for same four weeks) were 60, 80, 95, also 75 units. Calculate MAD, MSE, also MAPE for these four weeks.
Q. Do you see any flaw in arguing which organizations don't have expertise to assess also make decisions about worthy social programs also therefore y should not get involved?