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标题: 做了一次prep,有道数学不会,求解答~ [打印本页]

作者: headhunter    时间: 2013-3-13 07:14     标题: 做了一次prep,有道数学不会,求解答~

The number of years of service of the 8 employees in a production department are 15, 10, 9, 17, 6, 4, 14, 16. What is the range in the number of years of service of the 8 employees?
a) 10
b) 11
c) 12
d) 13 --> correct
e) 14

求大神解答!!!!!!!!!!!!!
作者: lavenderwu    时间: 2013-3-14 06:57

range=maximum-minimum 17-4=13
作者: yujunchening    时间: 2013-3-14 19:15

range就是最大值与最小值的差~~




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