Question

FAN AND MEDAL

Answer 1

shouldnt this be in english

Answer 2

No, this is math lol c:

Answer 3

oh now i see it lol my bad

Answer 4

wins, do you know what a positive correlation is? c:

Answer 5

Yes, having a positive slope! c:

Answer 6

Yes it's positive, now why do you think it is a positive correlation? c: (you said it a while ago) :D

Answer 7

Yes! :D

Answer 8

K, now next question! You have to draw the line of best fit c:

Do you know how to do that?

Answer 9

Close, but the line of best fit is just a strait line through the points! c:

Answer 10

alright! ^u^

Answer 11

sorry idk

Answer 12

need help with what?

Answer 13

oh okay I will leave then.

Answer 14

Yes that's better! c:

Answer 15

Ok, now C is asking what is the relationship between your line , and the points on the line. What do you think the relationship is? c:

Answer 16

Yes, it's positive, but think about the line you just made. What is the relationship between it and the points? c: Your line is strait, and the points on the graph are scattered everywhere but they're close together, forming an almost perfect line.

Answer 17

or wait, let me rephrase that sentence.

Answer 18

The line you drew is an _______ of the scatter plot. c:

hint: if it's not an EXACT line in the points, what is it then?

Answer 19

Not nonlinear, but it's an estimate of the points on the scatter plot :D

Answer 20

It's an estimate of it because it's not exactly on the points, but just a line strait through! :3

Answer 21

Alright, now D ask if the line is linear, and if so, write an equation for it. :3


So, do you think the line you drew is linear? c:

Answer 22

Yes it is. Why? Because it makes a line :3

So now, we must make an equation for it!

Answer 23

Let me show you an example of a line and it's linear equation c:

Answer 24

Sorry, I was trying to do the explanation on the picture cx

Answer 25

one more.

Answer 26

Sorry, I went backwards, let me fix the equation formation cx

Answer 27

there, so we first have to find the slope! Do you know how to do that? c:

Answer 28

The equation to slope is\[\frac{ rise }{ run }\]

Answer 29

That's the easiest one. So, let's take a look at your line! c:

Answer 30

Ok, now we will choose any 2 points, and the slope between them.

Answer 31

ok! Let's use those points. Name them points A and B. Tell me the coordinates of those points c:

Answer 32

We will have to be using the slope formula!