Exercise on the Independent-Samples t-test

This calculator starts out with 20 randomly chosen X, Y pairs with values between 1 and 10. Try calculating a t-test for these random data to see what the t-test results will be like under null hypothesis conditions. The means for each group will be about 5. The t scores are usually 1 (or less) and the null hypothesis will be retained about 95% of the time.

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