Question 864454: am needing to make a scatter plot of data in this table; x -4,-3,1,2,3,7 y 7,4,2,-3,-4,-8. also needing to describe correlation of data and determine if its positive, negative, or none.
Answer by LinnW(1048)   (Show Source):
You can put this solution on YOUR website! Create (x,y) pairs
{ {-4,7},{-3,4},{1,2},{2,-3},{3,-3},{7,-8}}
Use as input to www.wolframalpha
polynomial fit { {-4,7},{-3,4},{1,2},{2,-3},{3,-3},{7,-8}}
0.0121464x^4 -0.0507054x^3 -0.319384x^2 -0.885199x +2.09549 (quartic)
R^2 = 0.820057
See http://www.statisticshowto.com/adjusted-r2/ for a discussion of adjusted R2
|
|
|
