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Could I double check whether have understood the principle of time series method for the forecast correctly?
Forecast for Q3 Year 4
2,451 – (38.4*5) + 4= 2,255
Thank you in advance
Ken Garrett says
That’s right, but why are you studying P3? It’s no longer on the syllabus.
The Seasonal Variation for Q2 is 95 not 96.
Very nice lecture, thank you!
Will the examiner provide formula for Coefficient of Correlation and Coefficient of determination?
can we be asked to draw decision trees in p3?
Yes – simple ones. See December 2012 Q4 (a)
Is scenario planning an important element of p3 syllabus or should it be only learned up – to the definational knowledge level?
It has never been tested much. Know what it is. If you have to apply it you will be guided and constrained by the information in the question.
It is explained in the lecture.
Dear Sir, Hi….
Can you please explain me what ‘s the relationship of coefficient of correlation (r) and Coefficient determination (r2= rXr) with Linear regression (y= ax+b)…
Thanks in advance
y=ax+b is the actual forecasting tool, where you substitute x etc.
r and r2 more speaks to the accuracy of the forecast in an arbitrary way.
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