"Bob LeChevalier" <lojbab at lojban.org> wrote in message
news:i1mhkugkvkveqhjlbsfjr5bo4jaduimbqh at 4ax.com...
> "Parse Tree" <parsetree at hotmail.com> wrote:
> >> The larger the sample size, the smaller the deviation from 25%. TIMSS
was
> >a
> >> large enough sample size that a 3% standard error is conservative.
> >
> >I don't know the size of the sample. Was it 10 000?
>> For the 12th grade math questions, N for the US was 2795. Only 2
> other countries had a sample size over 2000, and Cyprus had the
> smallest sample at N=190.
Ha ha ha!! That's not really big enough to get an accurate picture.
I assumed that it was simply given to every student in the country that was
of the required grade.
