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  #1  
Old 07-23-2009, 02:05 AM
Mut Mut is offline
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Desire Cumulative Frequency

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Dear all,
I have the chart with cumulative% frequency (Y values) vs Bin (X values)
But I have to find X values according to Y values..
For example...
This is the data..

Bin Frequency Cumulative %
50 5 5.00%
100 9 14.00%
150 16 30.00%
200 19 49.00%
250 18 67.00%
300 9 76.00%
350 12 88.00%
400 6 94.00%
450 2 96.00%
500 4 100.00%

Now, I have to find X value when cumulative% is equal to 30%, 40%, and 50%..?
It's OK, if cumulative% value is the same with the questions (30% for example, so the X value is 150). But how if it's 40%... 50%..?

Any help would be appreciated
Thanks and regards
Mut
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  #2  
Old 07-23-2009, 06:19 AM
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Andy Pope Andy Pope is offline
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Re: Desire Cumulative Frequency

Here is an example using TREND on a pair of values from your data source
Attached Files
File Type: xls 692644.xls (20.0 KB, 8 views)
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  #3  
Old 07-28-2009, 01:34 AM
Mut Mut is offline
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Re: Desire Cumulative Frequency

Great!!!.. love it so much...
Thanks Andy..
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