Statistics

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May 8, 2012 19:38
I analyze the monthly sales of our package tours every week.
Most of the tours begin to be sold three month before the departure month.
In general, the weekly sales increase ratio at the three month before the departure month continues until two weeks before the departure month.
Regardless of many elements, we can forecast our sales of next three months with the formula.
For example, the sales of this August is expected to be lower than our target set at the beginning of this fiscal year with the forecast based on the weekly sales increase ratio of the August in this week.
We can't forecast individual actions.
However we can forecast actions of the mass that consist of the individual actions.
Statistics is interesting.