Question in Chi-squared test, can I do it with percentage data?

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Question in Chi-squared test, can I do it with percentage data?

Jeff
Hi all,

I know Chi-squared test can be done with the frequency data by R function
"chisq.test()", but I am not sure if it can be applied to the percentage
data ? The example of my data is as follow:

#############################################

                          KSL   MHL   MWS   CLGC   LYGC
 independent (%) 96.22  92.18  68.54   93.80   85.74

#############################################


Thanks


Jeff

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Re: Question in Chi-squared test, can I do it with percentage data?

Dieter Menne
Jeff wrote
I know Chi-squared test can be done with the frequency data by R function
"chisq.test()", but I am not sure if it can be applied to the percentage
data ? The example of my data is as follow:

#############################################

                          KSL   MHL   MWS   CLGC   LYGC
 independent (%) 96.22  92.18  68.54   93.80   85.74

#############################################
No. If this are "measured" number, eg. percent concentration, the test has no idea if you data are measured with 0.05 or 10% standard error (which anyway is tricky, because we are so close to 100%).

If these are counts, it makes a difference if these are 96 out of 100 or 960000 out of 1000000.

Dieter