"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.
lojbab
