Rather, with so many variables involved in qualifying for some forms of aid, and not knowing if that aid will come in the form of a student loan or a scholarship at most universities, perhaps more families will rise up to the challenge and create cool strategies to pay for college, with or without financial aid.

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With so many possible variables to consider, it makes sense to start with a clean slate and see what relationships we can tease out of the data.

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The thinking tends to be that there are too many variables with the marathon to base the entire selection process on one race.

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The search giant does this with a black box of variables that includes how many meaningful links are pointing to a given Web page.

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If you look at a slum, does it have many characteristics of cities in general, but with depressed socioeconomic variables?

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There are just too many variables at play for government to come up with a single solution for how to collect money.

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