问题
解答题
数据100,120,80,130,100,90,150的中位数是130______.
答案
先对这组数据按从小到大的顺序重新排序:80,90,100,100,120,130,150.
此组数据个数是奇数个,位于最中间的数是100,
所以这组数的中位数是100.
故答案为:错误.
数据100,120,80,130,100,90,150的中位数是130______.
先对这组数据按从小到大的顺序重新排序:80,90,100,100,120,130,150.
此组数据个数是奇数个,位于最中间的数是100,
所以这组数的中位数是100.
故答案为:错误.
完形填空。 | ||||
I work 1 a small shop. It is near a factory. Every day 2 people come to the shop 3 things. My 4 is very near the shop. I get 5 at six, have 6 and then go to work by bike. I put some food in my lunch box. I get to the shop at seven. At seven thirty people begin to get there. They buy 7 , eggs and many other things. I have my lunch 8 . At seven in the evening, we close the shop. I clean the shop and then go home 9 supper. Some people may not think my work 10 good. But I like it very much. | ||||
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