在频数分布表中，各小组的频数之和_刷题宝

题干

在频数分布表中，各小组的频数之和（　　）

A：小于数据总数

B：等于数据总数

C：大于数据总数

D：不能确定

上一题下一题 0.0难度选择题更新时间:2019-06-16 10:45:05

答案(点此获取答案解析）

B

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根据两则评论的内容判断(1)-(6)题句子的（正确）（错误）

Kitchen in Flower Restaurant

I was happy there! Everything was clean. The walls were clean. The cupboards were tidy. The sink was empty. The bin wasn't full. They clean the kitchen once a day.

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What a mess! The walls were dirty. The cupboards were messy. The sink and the bin were full. People don't like working in Spring Restaurant. What's wrong?

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