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Mathematics 15 Online
OpenStudy (anonymous):

The scatter plot below plots the reading speed and weeks of practice of some students in a class: Plot ordered pairs 4, 400 and 6, 410 and 7, 480 and 9, 500 and 12, 600 and 13, 610 and 14, 620 and 16, 650 Based on the plot, which conclusion is correct? The reading speed of a student increases with increase in practice. The reading speed of a student decreases with increase in practice. The reading speed of a student increases with decrease in practice. There is no relationship between reading speed and practice.

OpenStudy (anonymous):

OpenStudy (anonymous):

@FEARLESS_JOCEY @itsthatguy @sarimari

OpenStudy (anonymous):

@matthew1286

OpenStudy (anonymous):

@pinklion23

OpenStudy (anonymous):

what do you think?

OpenStudy (anonymous):

i have no clue

OpenStudy (anonymous):

Well lets first look at the reading speed and forget about the weeks of practice

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

ik that the reading speeds increase

OpenStudy (anonymous):

Use process of elimination since you know what's happening with the speed

OpenStudy (anonymous):

is it A?

OpenStudy (anonymous):

Well we do know that based on process of elimination, there are only 2 choices

OpenStudy (anonymous):

yeah either A or D

OpenStudy (anonymous):

right?

OpenStudy (anonymous):

OpenStudy (anonymous):

Try to see the key at the bottom, and the direction the correlation is going

OpenStudy (anonymous):

wait i think its D no relationship?

OpenStudy (anonymous):

No, it's not d

OpenStudy (anonymous):

i just edited the image to help you umderstand more

OpenStudy (anonymous):

im soo confused

OpenStudy (anonymous):

OpenStudy (anonymous):

i kinda get it now

OpenStudy (anonymous):

Hint: if it were to decrease, the numbers would have to be switched around

OpenStudy (anonymous):

its B !

OpenStudy (anonymous):

When i said it would decrease, i said it would look like this

OpenStudy (anonymous):

So it's a

OpenStudy (anonymous):

i said it was A at first lol..

OpenStudy (anonymous):

could u help on 2 more ?

OpenStudy (anonymous):

But i didn't want to give an answer right away

OpenStudy (anonymous):

i understand thanks :)

OpenStudy (anonymous):

I could do that

OpenStudy (anonymous):

The function below shows the distance y, in miles, of a boat from a marina at different times x: y = 100 - 10x Which scatter plot best represents the function?

OpenStudy (anonymous):

OpenStudy (anonymous):

So far it looks like a

OpenStudy (anonymous):

thats the one i thought it was

OpenStudy (anonymous):

it's A

OpenStudy (anonymous):

i got one more for you

OpenStudy (anonymous):

The following table shows the number of songs downloaded each week by some students of a class: Student A B C D E F G H I J K L M N O Songs 3 1 1 3 5 3 3 3 1 3 3 3 1 1 1 Which histogram best represents the data?

OpenStudy (anonymous):

OpenStudy (anonymous):

Which one do you think it is?

OpenStudy (anonymous):

C

OpenStudy (anonymous):

let me look more

OpenStudy (anonymous):

it doesn't look like c There are only 6 numbers thaat have a value of 2 or less then 2

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

so then it has to be A

OpenStudy (anonymous):

B also has 6 numbers that have a value of 2 or less then 2

OpenStudy (anonymous):

but it's obviously A

OpenStudy (anonymous):

yay i was right thanks sooo much :)

OpenStudy (anonymous):

i meant it's obviously b

OpenStudy (anonymous):

oh lol

OpenStudy (anonymous):

because no one downloaded 4 or more songs, yet A says that, at the bottom of the bars

OpenStudy (anonymous):

ohh okay.. i actually understand now thanks sooo much :)

OpenStudy (anonymous):

No problem :)

OpenStudy (anonymous):

Tell me if the answers are correct.

OpenStudy (anonymous):

I'm going to go now

OpenStudy (anonymous):

the last one wasnt right i got a 52 :/

OpenStudy (anonymous):

R U SERIOUS?!?!?!?!?!?!?!?!?!?!?!?!?!

OpenStudy (anonymous):

BUT B SOUNDS TOTALLY CORRECT!!!

OpenStudy (anonymous):

TAKE MY MEDAL AWAY FROM ME!!

OpenStudy (anonymous):

@Xnlovely

OpenStudy (anonymous):

no im not taking ur medal away u helped me alot :)

OpenStudy (anonymous):

@itsthatguy

OpenStudy (anonymous):

How is a correct though?

OpenStudy (anonymous):

idk?

OpenStudy (anonymous):

Aw man i see a 5 in the numbers

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