Question

help

Answer 1

@Shadow

Answer 2

http://www.statisticshowto.com/probability-and-statistics/correlation-coefficient-formula/

Answer 3

I'm going to be honest, that doesn't look like fun.

Answer 4

it's 12th grade math

Answer 5

@dude Any ideas besides using the formula

Answer 6

\[r = \frac{ n (\sum xy) - (\sum x)(\sum y) }{ \sqrt ([n \sum x^{2} - (\sum x)^{2}][n \sum y^{2} - (\sum y)^{2} ] }\]

Answer 7

It's not negative, and it's not perfect...so it's 0.94 or 0.97

Answer 8

This is a Finance class right?

Answer 9

Or statistics

Answer 10

I did this before, its statistics

Answer 11

I think there was a more simple way, but I dont think I have notes from back then

Answer 12

http://www.statisticshowto.com/probability-and-statistics/correlation-coefficient-formula/

There are other formulas here but I don't understand them.

Answer 13

By the way, n is the sample size, so basically how many columns you have.

Answer 14

Which equation do you not understand o.o

Answer 15

The latter two

Answer 16

Only cause I have never taken a stats class, and thus, have never seen them before. The only reason I understand this one is because you encounter summation in precalculus.

Answer 17

Latter 2? xD

Answer 18

By the way @princeevee if you do not know what that E looking symbol means, it stands for sum. So you would just add up all the x points for
\[\sum x\]

Answer 19

There are only three formulas on the website. I get the first one, latter refers to that of which is last in an arrangement.

Answer 20

I have to go to class, so if you feel like giving this a shot or waiting for a math powerhouse like @Angle or Vocaloid is she isn't busy...

Answer 21

if*

Answer 22

Yeh this is definitely statistics. It's a calculator class so you can just use this.
https://www.socscistatistics.com/tests/pearson/Default2.aspx

They also grade you on interpreting 'r' so watch out for that.

You use a TI-84 NSpire calculator for that class right?