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hello

Welcome to JACould you please tell me what is x

because if x is the year then the equation becomes

=-127.56+0.06*2020 = -6.36

so the price is negative

Also please check the sign in front of 127.56, is it really negavive?

Let me know please, I'll be glad to assist.

x is the year

the negative number is XXXXX i came up with

the price cant be negative

i can give you the information i used to get it if that helps

the years were 1982 - 2011

and the prices per year were as follows

in order avereages per year

hi

the regression I came up with is

david?

y=0.0647x-127.65

in this case if you plugin 2020

you'll get

3.044

Answer: 3.044

hope this helps

if that is the case what are the residuals for each year?

the residuals are

oh sorry I copied the wrong column

here is the correct version

if 2.50 is the price of gas today, is that within the confidence interval of 5% on either end?