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Mathematics 5 Online
OpenStudy (anonymous):

Little help is needed Teach me

OpenStudy (retireed):

I am just guessing here okay? How about teaching 3 classes of all girls, 3 classes of all boys and 3 control groups of girls and boys over the two years. Each semester gets t he same test, but the test are changed from semester to semester. That should be enough data, to see which group does better in statistics.

OpenStudy (retireed):

Each semester gets the* same test, but the test are changed from semester to semester.

OpenStudy (anonymous):

hm so thats a summed up answer

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