ν P(雙側)0.05 0.01 0.001 ν 0.05 0.01 0.001 P(單側)0.025 0.005 0.0005 0.025 0.005 0.0005 1 12.706 63.657 636.618 21 2.080 2.831 3.819 2 4.303 9.925 31.598 22 2.072 2.819 3.792
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