What statistical test to use?



Dear all,

I am analyzing some data of a recent experiment that i did. Apart from
ANOVA and t-tests i am not really familiar with applied statistics and
i'm having some difficulties now in finding out what test to use for
statistics on my data. Any help would be appreciated.

To give you an impression of the kind of data that it concerns, two
example plots can be found at:
http://www.ronaldvdberg.nl/temp/stat.htm

Roughly stated, the raw data consists of counts of (fixation) errors.
Errors were discrete values, ranging from 0 to 9. The plots show the
proportion of fixations associated to each error (I normalized all raw
counts by dividing every count by the total count). So, the sum is 1
and the mean is 0.1 in both plots/datasets. The distributions in these
two data sets are clearly different and my question is how i can
properly test/show this ... ?

Thanks.

Ronald

.



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