MMGT201 Exam2 forecasting
79
a simple smoothing model with alpha=10 is equivalent to:
104
big bagel co.
.2
big bagel has been using simple exponential smoothing
.71
big bagel has been using the same forecasting method
145
compute the MSE for the following set of data:
16
for the following data, what is the mean absolute percent error?
-1.2
for the following data, what is the tracking signal?
77
forecast for oct.19
11
given the following data, compute MAD
naive 2
given the following quarterly sales of big bagel
158, 286
suppose you were given the following information
282
the following table is part of a simple exponential smoothing forecast
adjustments need to be made
the judgement method of forecasting is useful when:
all of the above
the performance of a forecasting model can be measured by:
41
using the same data, what is the MAD?
127
using the simple exponential model with alpha=.2
competitors pricing actions
which of the following factors affecting the demand for goods and services is an EXTERNAL factor?
expansion or contracting of geographical market target areas
which of the following factors affecting the demand for goods and services is an INTERNAL factor?
assigns weights/seasonality
which of the following is NOT true of an n-period simple moving average
smaller/tracking signal
which of the following is true about MAD?
running sum of the forecast errors
which of the following is used to measure bias in a forecast?
in the short term managers are typically interested in forecasts of total sales
which of the following statements about forecasting is FALSE?
you should use the simple moving average method
which of the following statements about forecasting is FALSE?
judgement methods are designed for situations where historical data are lacking
which of the following statements about forecasting is TRUE?
the trend over an extended period of time always increases
which of the following statements about the patterns of a demand series is FALSE?
forecast accuracy
which of the following statements concerning general guidelines for forecasting is FALSE?
all of the above are true (delphi)
which of the following statements is true?
positive tracking signal/consistently below
if the RSFE for sales turns up a large positive number, then:
931
in the following exponential smoothing with trend model alpha=.3