The t distribution

 

 

 

df

Proportion in one tail

0.25

0.10

0.05

0.025

Proportion in two tails

0.50

0.20

0.10

0.05

1

1.000

3.078

6.314

12.706

2

0.816

1.886

2.920

4.303

3

0.765

1.638

2.353

3.182

4

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