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)
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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
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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
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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
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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? :/
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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..
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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
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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
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OpenStudy (anonymous):
yera
OpenStudy (anonymous):
yea*
OpenStudy (holly00d1248):
the M here =2
OpenStudy (anonymous):
Oh so the answer is 2!
OpenStudy (anonymous):
lol
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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?
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OpenStudy (holly00d1248):
theres no negatives in the answers
OpenStudy (holly00d1248):
repost the problem those ???????????????? marks messed it up then