The Ultimate Guide to T Tests

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t test 95 ผ่าน One-sample T test ต้องใส่ค่า H 0 ก่อน เช่น 30,000 บาท

T-test was first described by William Sealy Gosset in 1908, when he published his article under the pseudonym 'student' while working for a brewery  tycoon t-tests - Population variance unknown The t-test is very similar to a z z -test, however, you do not know the value of the population variance σ2 σ 2 and so

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t test  95 ผ่าน One-sample T test ต้องใส่ค่า H 0 ก่อน เช่น 30,000 บาท

teamg T-test was first described by William Sealy Gosset in 1908, when he published his article under the pseudonym 'student' while working for a brewery

t-tests - Population variance unknown The t-test is very similar to a z z -test, however, you do not know the value of the population variance σ2 σ 2 and so