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求助---GWD的第19套的几个中值的题。

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楼主
发表于 2011-11-11 00:30:51 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Q15:





Age Category (in years)

Number of Employees

Less than 20

29

20 — 29

58

30 — 39

36

40 — 49

21

50 — 59

10

60 — 69

5

70 and over

2



There are 161 employees at Company X.The above table shows the age category of all the employees.According to the table, if m is the median age, in years, of the employees at Company X, then m must satisfy which of the following?



A.20 m 29

B.25 m 34

C.30 m 39

D.35 m 44

E.40 m 49
Q30: 不懂,中值不是95年吗,怎么会是310








According to the chart shown, which of the following is closest to the median annual number of shipments of manufactured homes in the United States
for the years from 1990 to 2000, inclusive?


A.250,000

B.280,000

C.310,000

D.325,000

E.340,000

Q29:

Is the integer n odd?

(1)n is divisible by 3.

(2)2n is divisible by twice as many positive integers as n.



A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

这最后一题我是不理解条件二的意思。
求高人指点迷津!~不胜感激。

Q30: 不懂,中值不是95年吗,怎么会是310







According to the chart shown, which of the following is closest to the median annual number of shipments of manufactured homes in the United States
for the years from 1990 to 2000, inclusive?


A.250,000

B.280,000

C.310,000

D.325,000

E.340,000

Q29:

Is the integer n odd?

(1)n is divisible by 3.

(2)2n is divisible by twice as many positive integers as n.



A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

这最后一题我是不理解条件二的意思。
求高人指点迷津!~不胜感激。
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沙发
 楼主| 发表于 2011-11-11 00:49:11 | 只看该作者
求高人指点。对了,第二个题,图没黏贴上。大家可见GWD的第19套题。
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