Uri asked six friends how many different foreign countries they’d been to. He recorded 0, 1, 1, 2, 5, and 9 countries visited.
What is the mean absolute deviation of the number of countries visited? Round to the nearest tenth, if needed.
A.
0 countries
B.
2.7 countries
C.
2.9 countries
D.
3 countries
i think c maybe b
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OpenStudy (rynnkoff):
help?
OpenStudy (christian_10_):
What do you think?
OpenStudy (rynnkoff):
c
OpenStudy (gottennis121):
Add all the numbers up, divide by 6, which is 2.6666, rounded is ....?
OpenStudy (rynnkoff):
3
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OpenStudy (gottennis121):
No, what is 2.666 rounded to the nearest tenth?
OpenStudy (rynnkoff):
oh
OpenStudy (rynnkoff):
uhh 2.67?
OpenStudy (rynnkoff):
no
OpenStudy (gottennis121):
The 6 after the decimal is the tenths place. If you rounded up, what would be the next number?
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OpenStudy (rynnkoff):
i was dumb sorry
OpenStudy (gottennis121):
No you're fine, what do you think the answer is?
OpenStudy (rynnkoff):
2.7?
OpenStudy (gottennis121):
Yes. :)
OpenStudy (rynnkoff):
ok hold on
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OpenStudy (rynnkoff):
could you do one more?
OpenStudy (gottennis121):
sure
OpenStudy (rynnkoff):
Four friends played cards. Their final scores were –6, –3, 0, and 1.
What is the mean absolute deviation of their scores?
OpenStudy (gottennis121):
Is this a multiple choice?
OpenStudy (rynnkoff):
nay
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