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Mathematics 28 Online
OpenStudy (anonymous):

6. (06.02 LC) A scatter plot is shown below: Which two ordered pairs can be joined to draw most accurately the line of best fit for this scatter plot? (1 point) (4.5, 10) and (10, 6.5) (0, 9.8) and (10, 1.2) (0, 4) and (5, 0) (0, 6) and (7, 0)

OpenStudy (anonymous):

@Holly00d1248

OpenStudy (holly00d1248):

My best guess is B

OpenStudy (anonymous):

Same I thought so too

OpenStudy (holly00d1248):

well itss not aguess

OpenStudy (anonymous):

7. (06.02 MC) Kim and Sonia have each drawn a line on the scatter plot shown below: Which line best represents the line of best fit? (1 point) Line A, because it shows a negative association Line A, because it is closest to most data points Line B, because it is closest to most data points Line B, because it shows a positive association

OpenStudy (anonymous):

OpenStudy (holly00d1248):

is there graph never mind

OpenStudy (anonymous):

i think its c

OpenStudy (holly00d1248):

Line B because you want it as close to the data points as possible

OpenStudy (holly00d1248):

your correct

OpenStudy (anonymous):

Thanks!

OpenStudy (holly00d1248):

No Problem

OpenStudy (anonymous):

8. (06.02 MC) A group of students plotted the number of hours they worked weekly during the holidays and the number of hours they spent cycling. Which statement best describes the relationship between the number of hours spent working and the number of hours spent cycling? (1 point) Greater hours worked, fewer hours spent cycling. Fewer hours worked, fewer hours spent cycling. Greater hours worked, greater hours spent cycling. There is no relationship between hours spent working and hours spent cycling.

OpenStudy (anonymous):

OpenStudy (holly00d1248):

what do you think it is if you dont know take an educated guess

OpenStudy (anonymous):

B?

OpenStudy (anonymous):

wait..

OpenStudy (anonymous):

yea B?

OpenStudy (holly00d1248):

so your saying less hours worked the less people cycle

OpenStudy (anonymous):

I think? :/

OpenStudy (holly00d1248):

I hate to say it but no the more time people work the less time they have to cycle but good guess

OpenStudy (anonymous):

Oh haha thanks!

OpenStudy (holly00d1248):

NO PROBLEM

OpenStudy (holly00d1248):

is there more

OpenStudy (anonymous):

yes if u want i can open a new question box..

OpenStudy (holly00d1248):

it dont matter whatever easier for you

OpenStudy (anonymous):

9. (06.04 LC) What is the slope of a line of best fit if its equation is y = –2x + 3? (1 point) –2 3 -1/2 1/3

OpenStudy (holly00d1248):

Y=MX+B M=slope B=Y-intercept

OpenStudy (anonymous):

hmmmm

OpenStudy (anonymous):

yea I have no idea

OpenStudy (holly00d1248):

the equation is put in Y=2X+3

OpenStudy (holly00d1248):

Y=MX+B ^

OpenStudy (holly00d1248):

how bout now

OpenStudy (holly00d1248):

@Mlink1290

OpenStudy (holly00d1248):

are yiu there

OpenStudy (anonymous):

yera

OpenStudy (anonymous):

yea*

OpenStudy (holly00d1248):

the M here =2

OpenStudy (anonymous):

Oh so the answer is 2!

OpenStudy (anonymous):

lol

OpenStudy (holly00d1248):

yes ma'am

OpenStudy (holly00d1248):

have more gonna leave in about 10 min

OpenStudy (anonymous):

okay -2?

OpenStudy (holly00d1248):

what

OpenStudy (anonymous):

the answe is -2?

OpenStudy (holly00d1248):

theres no negatives in the answers

OpenStudy (holly00d1248):

repost the problem those ???????????????? marks messed it up then

OpenStudy (holly00d1248):

@Mlink1290 can you repost it or no

OpenStudy (holly00d1248):

ok gotta go bye

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