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Homework Answers
For n - 1 = 64 degrees of freedom, we have from the t distribution tables here:
P( t64 < 2.386) = 0.99
Therefore, due to symmetry, we have:
P(t64 > -2.386) = 0.99
Therefore, P( -2.386 < t64 < 2.386) = 0.98 which is the required confidence level here.
Therefore the critical values here are given as:
Therefore 2.386 is the required value here.
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