[計量] 請教兩題印度JJ
在印度博士看到的幾題新機經
第六題我看不太懂題目的意思 第八題則是算不太出來??
6.Given percentile of three section as 20.30.40
Col A: Number of prople between the first two
Col B: Number of people between the last two
8. Given an equation of a line k as "ax+by+c=0"
Which of following is true?
I: if a is positive, then x intercept is positive
II: if b is positive, then slope is positive
III: if a and b are negative, then slope is positive
A) I only
B) II only
C) III only
D) II and III
E) I and III
資料來源: http://www.drrajusgre.com/forum/viewtopic.php?t=7162
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