AlexY297
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Jackie Chiles
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Q2952

by AlexY297 Wed Sep 25, 2019 5:31 pm

Hi, I realized this was states percentage then number then conclusion reverts back to either number or percentage... now reviewing back I realized the second choice of "The percentage of college students graduating each year without firm offers of employment has not changed significantly over the last decade" is incorrect since it contradicts the "P: The percentage of college students graduating each year without firm offers of employment has dramatically increased over the last decade."

I just want to double check if I am processing this correctly. Thank you, Alex

P: The percentage of college students graduating each year without firm offers of employment has dramatically increased over the last decade.

(A): (The number of college students graduating each year has not changed significantly over the last decade.)


C: The number of college students graduating each year without firm offers of employment has dramatically increased over the last decade.

OR

C: The percentage of college students graduating each year without firm offers of employment has not changed significantly over the last decade.
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ohthatpatrick
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Re: Q2952

by ohthatpatrick Thu Oct 03, 2019 1:56 pm

You're right that the 2nd choice would contradict the original fact.

Consider this one:
The percentage of males at Jackson University is higher this year than last year.

Does that mean that the number of males is higher this year?

No, not necessarily. If the total population has gone down, we might be taking a bigger % of a smaller total and still ending up below the number of males last year.

Here are some quick numbers to demonstrate:

LAST YEAR
total - 100 students
50% male, so 50 male students

THIS YEAR
total - 80 students
60% male, so 48 male students

That's an example of how the % of males could go up, even while the real # of males goes down.

If, however, I tell you that the number of total students is the same, then higher % = higher #

LAST YEAR
total - 100 students, 50% male ---------> 50 males

THIS YEAR
total - 100 students, 60% male ---------> 60 males


Hope this helps.