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Determine the critical t value

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Reference no: EM13946764

What is the difference in using the two formulas below to determine the Critical T Value? When does one know which one to use? Would each produce a different result? Can you provide an example in excel so I can see the formula used?

formula: =TINV(alpha,degrees of freedom)

formula: =NORMSINV(alpha/2)

Reference no: EM13946764

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