T-test independant

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T-test independant

Marcioestat
Hi listers,

I have a simple doubt of analysis of the test-t... I have a data base
which I have N observations and two independant variables (A and B) and I
would like to compare a score according these two independant variables
(each with two categories).
My problem is that in independant variable A I have some observations that
instead of selecting just one category, it has selected both... So, what
it is better here... Duplicate this cases and do the t-test according to
the variable A with another number of observations (N+n).. If I do this,
it is incorrectly to take the other test-t with N+n observations for the
variable B of interest... I am not sure if it is ok, because I am
duplicating the information of the variable B. Any advices will be
appreciated...

Thanks a lot,

Marcio

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