Mathematics
Senior High
なぜここで標準偏差を求める時に52（16＋36）ではなく、240を使うんですか？
374 ロ) 占数| 度数 0 人
ーーテ NNNelee培Mon なてが |
10 | 6 | 60 | -4 | ie 96 |
ciに前 6 36 144 。 |
] 140 240 |
記ニ2/6 4898=490 (点)
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