Question

for the following set of data find an appropriate regression equation (linear, exponential, or logarithmic) state your reason x: 1,2,3,4,5 y: 112,114, 119, 122, 129

Answer 1

hey can u plot it again? I will show you what to do, I know why you couldnt see it earlier. x is only 1,2,3,4,5 and y is over 100!

Answer 2

ok

Answer 3

okay so now go to window

Answer 4

ok

Answer 5

now tell me what values you see there

Answer 6

i put zero in the x min and y min on accident just right now..

Answer 7

no its fine, here are the values that you need:
xmin = 0
xmax = 6
xscl = 1
ymin = 90
ymax = 140
yscl = 1

Answer 8

set it to those values and BAM, you can see the points perfectly!

Answer 9

okay now after that what do i do?

Answer 10

now try linear regression line!

Answer 11

I'd say exponential regression line is better.

Answer 12

i tried linear and exponential i think they are the same?

Answer 13

no exponential is better.

Answer 14

howcoem

Answer 15

Okay can you go on twiddla so that I can explain.

Answer 16

http://www.twiddla.com/495960