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# t-test table

Explanations > Social ResearchAnalysis > t-test table

This table enables the t-value from a t-test to be converted to a statement about significance.

• Select the column with probability that you want.
• eg. 0.05 means '95% chance'
• Select the row for degrees of freedom.
• For two values, number of degrees of freedom is (n1 + n2)-2
• Compare the value in the cell with your t-value.
• The results are significant if the t-value is greater than the value in the cell.

 Degrees of Freedom Probability, p 0.1 0.05 0.01 0.001 1 6.31 12.71 63.66 636.62 2 2.92 4.30 9.93 31.60 3 2.35 3.18 5.84 12.92 4 2.13 2.78 4.60 8.61 5 2.02 2.57 4.03 6.87 6 1.94 2.45 3.71 5.96 7 1.89 2.37 3.50 5.41 8 1.86 2.31 3.36 5.04 9 1.83 2.26 3.25 4.78 10 1.81 2.23 3.17 4.59 11 1.80 2.20 3.11 4.44 12 1.78 2.18 3.06 4.32 13 1.77 2.16 3.01 4.22 14 1.76 2.14 2.98 4.14 15 1.75 2.13 2.95 4.07 16 1.75 2.12 2.92 4.02 17 1.74 2.11 2.90 3.97 18 1.73 2.10 2.88 3.92 19 1.73 2.09 2.86 3.88 20 1.72 2.09 2.85 3.85 21 1.72 2.08 2.83 3.82 22 1.72 2.07 2.82 3.79 23 1.71 2.07 2.82 3.77 24 1.71 2.06 2.80 3.75 25 1.71 2.06 2.79 3.73 26 1.71 2.06 2.78 3.71 27 1.70 2.05 2.77 3.69 28 1.70 2.05 2.76 3.67 29 1.70 2.05 2.76 3.66 30 1.70 2.04 2.75 3.65 40 1.68 2.02 2.70 3.55 60 1.67 2.00 2.66 3.46 120 1.66 1.98 2.62 3.37 infinity 1.65 1.96 2.58 3.29

Matched-pair t-test

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