Question

Using the data below, what is the equation for the line of best fit? Remember, put your answer in y = ax + b form and round any decimals to two places.

Answer 1

Minutes in Game
81
50
75
60
75
80
65
83
80
78
96
94
78
88
85
79
38
87
100
90
80
91
80
73
85


Test Grades
84
45
75
52
72
96
62
82
90
78
96
94
62
100
85
88
25
91
100
99
90
95
80
73
95

Answer 2

So what are these numbers? lol

Answer 3

they are the table

Answer 4

its the Data

Answer 5

y= 1.28x - 20.56 I got this but it dosent look right

Answer 6

Can you round the decimals to 2 places? i am having trouble with that

Answer 7

Oh you're plugging all of this into a calculator and finding the line of regression?

Answer 8

Well is
y= 1.28x - 20.56
Exactly what you got?

Answer 9

yes

Answer 10

but it says its wrong

Answer 11

Well, rounding 2 decimal places is like saying round to the nearest hundredth, and seeing that you don't have a 3rd decimal place, you are already in rounded form.
If it is wrong, Can you tell me which value the minutes of the test grades is the x value and which is the y value?

Answer 12

minutes in game is the X

Answer 13

Ok, I'm going to try plugging them into my calculator hold on for a bit? Thanks.

Answer 14

Ok so I got the same equation as you. It should be correct.

Answer 15

Can you make sure that all the data you gave me is correct? You might want to see if you misread or mistyped anything? Maybe it's the system's fault. But I keep getting the same answer as you.

Answer 16

the data is right

Answer 17

Hm. I still abide by my and your answer. :/

Answer 18

yea

Answer 19

will you help me with one more question?

Answer 20

I can try! Make a new post or thread! :)