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(Solved): Use the Critical Values of \\( t \\) table to approximate the \\( p \\)-value for the \\( t \\) s ...



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Use the Critical Values of \\( t \\) table to approximate the \\( p \\)-value for the \\( t \\) statistic in each situation. (a) a two-tailed test with \\( t=2.25 \\) and \\( 15 d f \\) \\[ \\begin{array}{l} p \\text {-value }<0.010 \\\\ 0.010

0.200 \\end{array} \\] (b) a right-tailed test with \\( t=3.30 \\) and \\( 16 d f \\) \\[ \\begin{array}{l} p \\text {-value }<0.005 \\\\ 0.005

0.100 \\end{array} \\] (c) a two-tailed test with \\( t=-1.16 \\) and \\( 20 \\mathrm{df} \\) \\[ \\begin{array}{l} p \\text {-value }<0.010 \\\\ 0.010

0.200 \\end{array} \\]\r\n(d) a left-tailed test with \\( t=-6.70 \\) and \\( 8 d f \\) \\[ \\begin{array}{l} p \\text {-value }<0.005 \\\\ 0.005

0.100 \\end{array} \\]



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(a)

t = 2.25

df = 15

P value from t distribution, two-tailed test with df 15

By using the Excel function...
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