Question

PLEASE HELP WILL FAN AND MEDAL!!
I am attaching pics of the 2 questions

Answer 1

You can use a calculator online to get the line of best fit.

Answer 2

Okay, I got:

y = 0.465x - 862.515

Now plug in 2009 for 'x' and tell me what you get.

Answer 3

ok sorry i will. I just tried 3 online calculators and i didn't get any of the answer choices that were listed. @iGreen

Answer 4

i got 71.67

Answer 5

so it would be A! Thank you~ @iGreen

Answer 6

Correct.

Answer 7

http://www.alcula.com/calculators/statistics/linear-regression/

Answer 8

but how would i do number 15? what would I plug in for x?

Answer 9

Just put in the points they gave you like so:

2001, 69.08
2002, 69.18
2003, 69.80
etc.

Answer 10

What do you mean? Number 15?

Answer 11

oh sorry i guess i never added it. my bad. can i attach a pic really quick so you can help me?

Answer 12

Sure.

Answer 13

i attached it. :) @iGreen

Answer 14

Okay, OS is really slow at the moment.

Answer 15

yeah i can tell :/

Answer 16

Plug the points into the calculator I gave in the link above.

Do it like this:

1940, 25700
1950, 37000
1960, 51600
etc.

Answer 17

ok. I will do that. Thank you.

Answer 18

What did you get?