how do correlations work?

Question

anonymous · Answer

relation means there is a link

correlation means when something happens to one, then something also happens to another. it is like cause and effect

jenniferjuice · Answer

but the negative and positive correlations?

loser66 · Answer

ok, let me give you examples

loser66 · Answer

suppose you work and save money and suppose that nothing wrong happens, you save, save, save, .... time past , after 20 years, the amount of year increase, the amount of saving money increases, too. that's is positive correlations

jenniferjuice · Answer

http://learn.flvs.net/webdav/assessment_images/educator_algebra1/pictures/v8/04/00/04_00_group19_graph2.gif

jenniferjuice · Answer

i meant like in a graph ._.

loser66 · Answer

now, suppose my beauty at the level of 10 (the top rank) after 20 years, my beautiful level down to -10 , time  up, the level of my beauty down, that 's negative correlation. hehehe

jenniferjuice · Answer

lol

loser66 · Answer

It's true, friend

jenniferjuice · Answer

okay ... so what about on a graph?

loser66 · Answer

give me a particular problem

jenniferjuice · Answer

http://learn.flvs.net/webdav/assessment_images/educator_algebra1/pictures/v8/04/00/04_00_group19_graph2.gif

loser66 · Answer

I cannot access the link you gave, it asks the password

jenniferjuice · Answer

let me take a screen shot instead

jenniferjuice · Answer

attachment

loser66 · Answer

it's positive correlation because x increases, y increases, too

jenniferjuice · Answer

so positive correlations increase from both the x and y axis?

loser66 · Answer

yes, trick is the graph starts from lower point and up like this |dw:1373125368518:dw|