Mathematics
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OpenStudy (anonymous):
yeah i need help again, it should still be easy for people who are older then sixth grade.
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OpenStudy (anonymous):
What is the interquartile range (IQR) of the data?
OpenStudy (studygurl14):
What data?
OpenStudy (studygurl14):
nvm
OpenStudy (studygurl14):
First step. Find the median of the data.
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OpenStudy (anonymous):
3.5
OpenStudy (anonymous):
43.5
OpenStudy (studygurl14):
No.
OpenStudy (studygurl14):
Can you show me how you found 43.5?
OpenStudy (anonymous):
its 47.5 though cause theres six on each side so theres not a middle number so you go 47.5 which is in the middle
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OpenStudy (anonymous):
right?
OpenStudy (studygurl14):
No...What middle numbers do you get?
OpenStudy (anonymous):
theres 12 numbers there i can't find the middle
OpenStudy (studygurl14):
yeah, i know. but what two numbers does it get down to?
OpenStudy (anonymous):
ooohhhh like 45 you go in the middle of the numbers
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OpenStudy (anonymous):
@StudyGurl14
OpenStudy (studygurl14):
Correct. 45 is the median. Now split the numbers and find the medians of the first half and of teh second half.
OpenStudy (anonymous):
do i still count 3 and 7 on there sides?
OpenStudy (studygurl14):
Find median of
31, 33, 37, 40, 40, 43, 45
and of
45, 47, 48, 50, 52, 56, 58
OpenStudy (anonymous):
40 and 50
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OpenStudy (anonymous):
@StudyGurl14
OpenStudy (anonymous):
@StudyGurl14
OpenStudy (anonymous):
COME BACK
OpenStudy (anonymous):
40 and 50
OpenStudy (anonymous):
so we have Q1 Q2 and Q3
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OpenStudy (anonymous):
@StudyGurl14
OpenStudy (studygurl14):
Correct. the IQR is 50-40
OpenStudy (anonymous):
so is that my answer both of them?
OpenStudy (studygurl14):
no. 50 minus 40
OpenStudy (anonymous):
oh 10 is my answer
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OpenStudy (studygurl14):
yep :)
OpenStudy (anonymous):
thanks
OpenStudy (studygurl14):
anytime :)