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\onecolumn {\Large\bf{１年数学　７章の章末問題\hfill No. 1}}\vskip10pt\hrule 

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\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad \BOXY{1}{0.6}{　組}\BOXY{1.3}{0.6}{　　番}\BOXY{7}{0.6}{名前　\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad}

\Toi　ある中学校の野球部員19人のハンドボール投げの記録の平均値を求めると，25mでした。

　この結果からかならずいえることを，次の(ア)〜(ウ)から選びなさい。

(ア)\;\;記録が25mだった部員が一番多い。

(イ)\;\;記録を大きさの順に並べたとき，大きい方から数えて10番目の部員の記録が25mである。

(ウ)\;\;全員の記録を合計すると475mである。


\vspace{1.5cm}

\Toi　次の(1)〜(5)のそれぞれにあてはまるものを，A〜Dのヒストグラムからすべて選びなさい。

\SubToi{\;\;範囲がもっとも大きいものはどれですか。}

\vspace{0.3cm}

\SubToi{\;\;平均値と中央値と最頻値がほとんど同じになるものはどれですか。}
\vspace{0.3cm}

\SubToi{\;\;平均値がもっとも小さいものはどれですか。}

\vspace{0.3cm}

\SubToi{\;\;中央値が平均値よりも大きくなるものはどれですか。}

\vspace{0.3cm}

\SubToi{\;\;最頻値が中央値よりも小さくなるものはどれですか。}

\vspace{0.6cm}

\qquad


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\qquad

\vspace{1cm}

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