How To
Summary
t検定は、2群の量的変数（スケール尺度の数値変数）の平均値を比較して「A群とB群の平均値に有意な差があるといえるか？」を検定する分析です。パラメトリック検定に分類されますので、データが正規分布である必要があります（探索的分析で正規分布をしていない場合は中央値や順位を検定するノンパラメトリック検定を検討）。3群以上の量的変数の平均値の差の検定は分散分析となります。
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Document Information
Modified date:
13 April 2020
UID
ibm11104171