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04-11-2014, 01:45 AM | Topic Starter |
"You like to drink?"
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Calling CDCox / anyone smart with math.. please
I'm taking a kamikaze run at a statistics test that will allow me to bypass the GRE at 10 a.m. tomorrow.
I can figure out how to get standard deviation of one set of data (example: number of pages in a set of books) but don't know how to determine "mean for the set of data" for something like: Students at CP University and their majors xxxxxxxx | Male ------ Female ----- Total BIOLOGY 10 ------- 20 --------- 30 BUSINESS 25 ------- 30 ---------- 55 PHYSICS 5 -------- 3 --------- 8 THEATER 5 -------- 7 ---------- 12 UNDECIDED 20 -------- 15 --------- 35 TOTAL 65 ------ 75 -------- 140 ..... so.. the **** do I do...? |
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04-11-2014, 02:27 AM | #2 | |
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04-11-2014, 02:36 AM | #3 |
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I'm going to say this and I mean absolutely zero offense with it, but if you have a test tomorrow and you're struggling with this part of it, it isn't going to go well.
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04-11-2014, 02:49 AM | #4 | |
"You like to drink?"
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Kicker is I've messed around with large data sets before in a college class and was able to make a statistically backed argument in a essay. All you had to do was make sure that the tests of significance bared out a correlation: I did whether or not a measure of trust in government affected voting behavior.. But the idea of figuring out a mean of a population comprised of two samples with 5 variables is hard to grasp for whatever reason.
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04-11-2014, 03:11 AM | #5 |
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This sentence is nonsensical for more than one reason, but suffice it to say, as stated in the OP, "the mean for the set of data" is a meaningless statement. No pun intended.
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04-11-2014, 03:43 AM |
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04-11-2014, 09:10 AM | #7 |
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04-11-2014, 09:35 AM | #8 | |
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04-11-2014, 11:19 AM | #9 |
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04-11-2014, 03:15 PM | #10 |
Don't tread on me.
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04-11-2014, 04:13 PM | #11 |
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04-11-2014, 09:01 AM | #12 |
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When in doubt, pick 'C'.
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04-11-2014, 09:06 AM | #13 |
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Try to catch an Asian at the door and make death threats if they don't help you.
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04-11-2014, 09:17 AM | #14 |
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Are there really physics programs that are 37.5% female?
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04-11-2014, 09:21 AM | #15 |
"You like to drink?"
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The idea is that I'm fairly certain you can't find a general mean of such a question.. The study material I was given has a graph showing highest education level split along gender lines.. And it also doesn't seem to relate to the rest of the questions on the study guide.
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