【单选题】【消耗次数：1】
有一个学生考试成绩为70分，在统计分组中，这个变量值应归入
①
60
②
70分这一组
③
70
④
80分这一组
⑤
60—70或70—80两组都可以
⑥
作为上限的那一组
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有一个学生考试成绩为７０分，在统计分组中，这个变量值应归入
①
60
②
70分这一组
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80分这一组
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60—70或70—80两组都可以
⑥
作为上限的那一组
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