[Math4u] Re: Please help me with this problem?

On the TI-89 use the list editor.
list1 {1,2,2,5,6}
list2 {2,5,6,15,15}
f4 3:regressions 1:linreg (a*x+b)
list1
list2
store y1(x)
That gives the linear regression.
Jim FitzSimons

--- In Math4u@yahoogroups.com, "maxmac97" <jim1174@...> wrote:
>
> --- In Math4u@yahoogroups.com, "w7anf" <cherry@> wrote:
> >
> > I used a TI-83 and the linear regerssion is
> > y=2.862*x-0.9572
> > Linear correlation coefficient r is 0.9846,
> > which is a strong positive correlation.
> > You can see this on the scatter plot.
> > Jim FitzSimons
> >
> ok how did you get y=2.862*x-0.9572 I used my ti-89 and got r is
0.9846
> bu i cant get the other
>

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