What is sales forecasting?
It is the process of predicting the future sales of a firm. It is a complex process that is influenced by several external factors.
Predicting sales helps:
What is time series analysis?
It is a quantitative method that predicts a firm’s future sales levels from past sales data.
The business relies on time series data, which is data that the business has kept for a given period of time.
What is the trend?
It is the visible pattern seen after inputting the past sale data. It is the overall direction of the data overtime.
What are seasonal fluctuations?
Changes in demand due to seasonal variation in the year. It is a repeating pattern of data over a set period of time.
What are cyclical fluctuations?
Variations tied to the business cycle in the economy. They are repeating but non-seasonal patterns, they can extend for more than one year.
What are Random Fluctuations?
Notable fluctuations that stand out from a given trend. They are unpredictable and can occur at any time.
They cannot be explained by other components.
What is extrapolation?
Same as a line of best fit. Once the trendline has been drawn, it can be extended to provide an estimated sales value for future years.
What is variation?
It is the difference between actual sales and the trend values.
What is variation used for?
Benefits of Sale forecasting
Limitations of Sale Forecasting