For a two tailed t-test with 20 degrees of freedom using α = 0.05, the rejection...

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For a two tailed t-test with 20 degrees of freedom using α = 0.05, the rejection...

For a two tailed t-test with 20 degrees of freedom using α = 0.05, the rejection region is defined as t values below or equal to _________or t-values above or equal to ______

math Statistics-And-Probability

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Answer 1

Answer #1

solution:

Degrees of freedom = df = 20

=0.05

/ 2= 0.05 / 2 = 0.025

t /2,df = t0.025,20 = +-2.085 ( using student t table)

t values below or equal to ___-2.085______or t-values above or equal to __2.085____

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Answer 2

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For a two tailed t-test with 20 degrees of freedom using α = 0.05, the rejection...

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For a two tailed t-test with 20 degrees of freedom using α = 0.05, the rejection...