If a firm produced a standard item with relatively stable demand, the smoothing constant alpha used in an exponential smoothing forecasting model would tend to be in which of the following ranges? A. 5% to 10% B. 20% to 50% C. 20% to 80% D. 60% to 120% E. 90% to 100%
A company hires you to develop a linear regression forecasting model. Based on the company's historical sales information, you determine the intercept value of the model to be 1,200. You also find the slope value is minus 50. If after developing the model you are given a value of X = 10, which of the following is the resulting forecast value using this model?
Answer - 3,800
700
1,700
1,040
12,000
In time series data depicting demand which of the following is not considered a component of demand variation?
Answer Trend
Seasonal
Cyclical
Variance
Autocorrelation