How do I get the percentage average increase of registrations throughout the years?
Here are the numbers:
Year# of registrations
2001280
2002290
2003350
2004450
2005480
2006400
2007350
Status:
Open Dec 13, 2007 - 06:29 AM
stats, averages, precentages
2answers
Answers
Dec 13, 2007 - 06:55 AM
year 1-year 2
% increase = (290-280)/280*100
year 2-year 3
% increase = (350-290)/290*100
X=year, f(X) is # of registrants for year X
g(X) = % increase for year X
g(X) = [f(X) - f(X-1)] / f(X-1)*100
for all X from 2002-2007 (there is no growth for 2001) find each g(X)
for example:
g(2002)= (290-280)/280*100% = 3.5%
g(2003)=(350-290)/290*100%= 20.7%
...
average % increase from 2002-2003 is (3.5+20.7)/2years = 12.1%
Mar 04, 2009 - 06:03 AM
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