You’ve got several options for finding a T value with technology, including: 1. TI 83: See: How to Find t Critical Value on the TI 83. 2. Excel: See Excel T Test; Excel will calculate the T critical value as part of the process. Need help with a homework question? Check out our tutoring page! See more

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You may need to find a t critical value if you are using the critical value approach to conduct a hypothesis test that uses a t -statistic. Select Calc >> Probability Distributions >> t Click the button labeled ' Inverse cumulative probability '.

You can express critical value as a T statistic. Both T statistics and Z-scores can be used to find and compare two points of a hypothesis. You may use T statistics when