# SOLUTION: Find the critical t - value that corresponds to 95% confidnence. Assume 16 degrees of freedom. How do I go about solving this question?

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 Question 450658: Find the critical t - value that corresponds to 95% confidnence. Assume 16 degrees of freedom. How do I go about solving this question?Answer by stanbon(57342)   (Show Source): You can put this solution on YOUR website!Find the critical t - value that corresponds to 95% confidnence. Assume 16 degrees of freedom. How do I go about solving this question? ----- If the confidence interval around the mean is 95%, you have two tails that are each 2.5%. --- Find the t-value with a right tail tail of 2.5% when df = 15. --- I use a TI-84 calculator to get: invT(0.975,15) = 2.1315 ========================= Cheers, Stan H. ==========