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For a 2 tail test, do one or the other and multiply your answer times 2 (for 2 tails) Calculate P-Value using T-Tables. ... This is a left tailed test. For a right tailed test, use the “Positive” answer 1.725 . NOTE: For a left tailed test, use the “negative answer” -1.7247 ... x+b” the calculator … ................
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