Check my answer please! i will medal!
Find the median and mode of the data.
A. median = 82.4 no mode
B. median = 82.4 mode = 85
C. median = 85 no mode
D. median = 85 mode = 82.4
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OpenStudy (anonymous):
c
OpenStudy (mrnood):
we need the data
OpenStudy (anonymous):
OpenStudy (anonymous):
you are right
OpenStudy (anonymous):
have anymore questions
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
ok i will help
OpenStudy (anonymous):
sorry im cooking
OpenStudy (anonymous):
it is fine brb
OpenStudy (anonymous):
For the data shown in the stem-and-leaf plot, what is the effect on the mean and median of adding the value 20 to the data set?
A.
The mean is decreased by about 0.1 and the median is decreased by 2.
B.
The mean is decreased by about 0.1 and the median is decreased by 3.
C.
The mean is decreased by about 0.15 and the median is decreased by 2.
D.
The mean is decreased by about 0.15 and the median is decreased by 3.
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OpenStudy (anonymous):
i think its A and ok :)
OpenStudy (anonymous):
ok i am back
OpenStudy (anonymous):
hello
OpenStudy (anonymous):
i dont think it is a
OpenStudy (anonymous):
ok why is that
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OpenStudy (anonymous):
the median is decreased by 3
OpenStudy (anonymous):
i was not sure weather the mean should be 0.15 or.1
OpenStudy (anonymous):
mm
OpenStudy (anonymous):
let me look over it again
OpenStudy (anonymous):
oki
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OpenStudy (anonymous):
i looked at it again and the median is 20 and the original is 23
OpenStudy (anonymous):
so its D
OpenStudy (anonymous):
i think so
OpenStudy (anonymous):
mmm ok
OpenStudy (anonymous):
are you ok with that answer
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OpenStudy (anonymous):
yeah
OpenStudy (anonymous):
ok anymore
OpenStudy (anonymous):
Jan's scores on five quizzes were 2, 8, 8, 9, and 10.
Is the mean or median the best measure of center to summarize Jan's scores?
A.
median
B.
mean
C.
Both mean and median summarize the data equally well.
i think its C
OpenStudy (anonymous):
the median is 8 and the mean is 7.4 so i think the median is better because the score is better than the mean
OpenStudy (anonymous):
soo its not c
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OpenStudy (anonymous):
i think it is a do you agree
OpenStudy (anonymous):
yeah
OpenStudy (anonymous):
ok then what grade are you in
OpenStudy (anonymous):
well im in 9th im doing my sister work so she can pass hbu
OpenStudy (anonymous):
7th be in 8th next school year
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OpenStudy (anonymous):
do you go to k12
OpenStudy (anonymous):
no but my sister does
OpenStudy (anonymous):
oh ok
OpenStudy (anonymous):
well i am going to go know i will be on later you need anything else
OpenStudy (anonymous):
aww ok and no thx for the help :)
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