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【简答题】
为评价家电行业售后服务的质量,随机抽取了由100个家庭构成的一个样本。服务质量的等级分别表示为:A.很好;B.较好;C.一般;D.较差;E.很差。调查结果如下: B E C C A D C B A E D A C B C D E C E E A D B C C A E D C B B A C D E A B D D C C B C E D B C C B C D A C B C D E C E B B E C C A D C B A E B A C D E A B D D C A D B C C A E D C B C B C E D B C C B C (1)制作一张频数分布表。 (2)绘制一幅条形图,反映评价等级的分布。 (3)绘制一幅饼图,反映评价等级的构成。
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相关题目：
【多选题】适宜采用订本式外表形式的账簿包括
A.
总分类账
B.
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C.
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查看完整题目与答案
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C.
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查看完整题目与答案
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查看完整题目与答案
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查看完整题目与答案