请教数学问题。

shirleywang · 发表于 2006-2-11 20:52:00

近日通过在cd 问题，数学有很大的提高谢谢斑竹和大家。

GWD 2 3

Is the standard deviation of the salaries of company Y's employees greater than the standard deviation of the salaries of company Z's employees?

1) The averagesalary of company Y's employees is greater than the average salary of company Z's employees.

2) The median salary of company Y's employees is greater than the median salary of company Z's employess.

Key E, 不太懂standard deviatio 是什么？

In the figure , each side of square abcd has length 1, the length of line segmnet CE is 1, and the length of line segment BE is equal to the length of line segment DE, what is the area of the triangular region BCE?

Key:/2 /4 2开平方

shirleywang · 发表于 2006-2-11 20:54:00

C:\Documents and Settings\Administrator\桌面

hitlzc · 发表于 2006-2-11 21:35:00

GWD 2 3
Is the standard deviation of the salaries of company Y's employees greater than the standard deviation of the salaries of company Z's employees?
1) The averagesalary of company Y's employees is greater than the average salary of company Z's employees.
2) The median salary of company Y's employees is greater than the median salary of company Z's employess.
Key E, 不太懂standard deviation 是什么？

是标准差。

In the figure , each side of square abcd has length 1, the length of line segmnet CE is 1, and the length of line segment BE is equal to the length of line segment DE, what is the area of the triangular region BCE?
Key:/2 /4 2开平方

图看不到

请教数学问题。

请教数学问题。

所属分类: GMAT考试

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