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Mathematics 10 Online
OpenStudy (rynnkoff):

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

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

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?

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

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

OpenStudy (rynnkoff):

i think its zero point one

OpenStudy (rynnkoff):

um was it worng

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