forecasting

The actual demand for castings in a factory is 500 units and 635 units for the months of January 2026 and February 2026, respectively. The forecasted demand for January 2026 is 250...

Considering the actual demand and the forecast for a product given in the table below, the mean forecast error and the mean absolute deviation, respectively, are

Considering the actual demand and the forecast for a product given in the table below, the mean forecast error and the mean absolute deviation, respectively, are $$ \begin{array}{|...

An electric car manufacturer underestimated the January sales of car by 20 units, while the actual sales was 120 units. If the manufacturer uses exponential smoothing method with a...

The demand and forecast of an item for five months are given in the table. Month | Demand | Forecast ---|---|--- April | 225 | 200 May | 220 | 240 June | 285 | 300 July | 290 | 270...

The table presents the demand of a product. By simple three-months moving average method, the demand-forecast of the product for the month of September is

The time series forecasting method that gives equal weightage to each of the m most recent observations is

The demand for a two-wheeler was $$900$$ units and $$1030$$ units in April $$2015$$ and May $$2015,$$ respectively. The forecast for the month of April $$2015$$ was $$850$$ units....

For a canteen, the actual demand for disposable cups was $$500$$ units in January and $$600$$ units in February. The forecast for the month of January was $$400$$ units. The foreca...

In exponential smoothening method, which one of the following is true?

In simple exponential smoothing forecasting, to give higher weightage to recent demand information, the smoothing constant must be close to

The demand and forecast for February are $$12000$$ and $$10275,$$ respectively. Using single exponential smoothening method (smoothening coefficient $$= 0.25$$), forecast for the m...

Which of the following forecasting methods takes a fraction of forecast error into account for the next period forecast?

A moving average system is used for forecasting weekly demand. $${F_1}\left( t \right)$$ and $${F_2}\left( t \right)$$ are sequences of forecasts with parameters $${m_1}$$ and $${m...

The sales of a product during the last four years were $$860, 880, 870$$ and $$890$$ units. The forecast for the fourth year was $$876$$ units. If the forecast for the fifth year,...

For a product, the forecast and the actual sales for December $$2002$$ were $$25$$ and $$20$$ respectively. If the exponential smoothing constant $$(\alpha )$$ is taken as $$0.2,$$...

The sale of cycles in a shop in four consecutive months are given as $$70, 68, 82 95.$$ Exponentially smoothing average method with a smoothing factor of $$0.4$$ is used in forecas...

A regression model is used to express a variable $$Y$$ as a function of another variable $$X.$$ this implies that

A regression model is used to express a variable $$Y$$ as a function of another variable $$X.$$ This implies that

When using a simple moving average to forecast demand, one would

In a time series forecasting model, the demand for five time periods was $$10, 13,$$ $$15,$$ $$18$$ and $$22.$$ A linear regression fit resulted in an equation $$F = 6.9 + 2.9$$ $$...

Which one of the following forecasting techniques is not suited for making forecasts for planning production schedules in the short range?

The most commonly used criteria for measuring forecast error is

In a forecasting model, at the end of period $$13,$$ the forecasted value for period $$14$$ is $$75.$$ Actual value in the periods $$14$$ to $$16$$ are constant at $$100$$. if the...

Which of the following is a technique for forecasting?