GMAT数学考试常见题型的解题技巧有哪些呢?以下将为大家深入分析GMAT数学考试常见题型的解题策略和技巧,希望能够为考生备战GMAT数学考试带来帮助。
106. 11122-!-item-!-187;#058007588
If a certain sample of data has a mean of 20.0 and a standard deviation of 3.0, which of the following values is more than 2.5 standard deviations from the mean?
12.0
13.5
17.0
23.5
26.5
【答案】 A
几倍的标准差,就用平均值加减几倍的标准差,即为新的值域
110. 11364-!-item-!-187;#058007646
The residents of Town X participated in a survey to determine the number of hours per week each resident spent watching television. The distribution of the results of the survey had a mean of 21 hours and a standard deviation of 6 hours. The number of hours that Pat, a resident of Town X, watched television last week was between 1 and 2 standard deviations below the mean. Which of the following could be the number of hours that Pat watched television last week?
30
20
18
12
6
--------------------------------------------------------------------------------------------------------------------------------
【答案】 D
82. 7356-!-item-!-187;#058005489
Is
x2 y2 可用坐标抛物线看出
x y
--------------------------------------------------------------------------------------------------------------------------------------------------------
【答案】A
x2 y2 平方已將正負數的影響拿掉 選項成立
x y 的情況下,y有可能為負數。如此一來y的絕對值不一定小於x。 選項不成立
99. 9270-!-item-!-187;#058006322
If m 0 and n 0, is? 相减
m n
x 0
【答案】C
100. 9327-!-item-!-187;#058006480
In the rectangular coordinate system shown above, does the line k intersect quadrant II ?
The slope of k is - 注意:答案是否定的,但只要确定,也是对的
The y-intercept of k is -6.
【答案】A
110. 10493-!-item-!-187;#058007240
If z^n = 1, what is the value of z ?
n is a nonzero integer.
z 0
【答案】C
113. 11760-!-item-!-187;#058007855
For a certain set of n numbers, where n 1, is the average equal to the median?
If the n numbers in the set are listed in increasing order, then the difference between any pair of successive numbers in the set is 2.
The range of the n numbers in the set is 2.
【答案】A
以上为大家推荐了一些GMAT数学试题的使用解题技巧,考生不妨从中借鉴,通过针对性的练习来逐步掌握GMAT数学考试的解题技巧,从而在GMAT考试中发挥出更好的水平。
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