Question: 3. The Excel function to find the t-value is T.INV.2T. For the tire tread example, we would enter =T.INV.2T(5%,9) into a cell. The 5% is

3. The Excel function to find the t-value is T.INV.2T. For the tire tread example, we would enter “=T.INV.2T(5%,9)” into a cell. The 5% is from 100% - 95% = 5%. The number of degrees of freedom is 10 - 1 = 9.

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