Question

does anyone know of really easy to use sites to be able to graph line of best fit?

Answer 1

excel works really well

Answer 2

@pgpilot326 Excel is a really good program to use

Answer 3

i like it... you can do matrices even in excel

Answer 4

wolfram works for me

Answer 5

I tried excel but im not sure exactly how to use it to graph a scatter plot? any help?

Answer 6

http://www.wolframalpha.com/input/?i=linear+polynomial++%281%2C2%29%284%2C7%29+%285%2C8%29

Answer 7

if you have your x's in one column and matching y's in the next. just select the data and choose scatterplot to graph.
once in the graph, right click on a data point and you can do a trendline.
make sure you choose to turn on th eequation for the trendline and the fit (if you need it)

Answer 8

okay! thank you all so much!

Answer 9

wolfram's nice too, i'm just not familiar with it

Answer 10

when you type in your y's and x's do you just put the number or do you put "x=50" @pgpilot326

Answer 11

just the number

Answer 12

I don't see anything that's says scatter plot... @pgpilot326

Answer 13

insert/charts/scatter