T-test

IB Maths Studies / Applications: T-test

In a mathematics test, you might find the average female scores are higher than the boys or vice-versa. It"s costly, and time consuming, to take samples. Is there a way we could decide, from just one sample, the likelihood of the difference being due to chance, versus being due to a genuine difference between the sexes?Often working with small samples, and in situations where the population"s standard deviation was unknown,...


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