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Mathematics 8 Online
OpenStudy (openstudyrocks5*):

Attachment in Question. About how many middle school students were surveyed for this graph? A. 200 B. 175 C. 150 or D. 130? I think its 150.

OpenStudy (openstudyrocks5*):

OpenStudy (openstudyrocks5*):

@iGreen

OpenStudy (anonymous):

Add up all the students, doesn't matter the amount of sleep they got. Just add all.

OpenStudy (anonymous):

So 5 - 7 looks around 30, 8 - 10: 130, 11-13: 20 30+130+20, so around this number

OpenStudy (openstudyrocks5*):

30 + 130 + 20 = 180

OpenStudy (openstudyrocks5*):

@iambatman ^

OpenStudy (anonymous):

Yeah so it must've been close to 175

OpenStudy (openstudyrocks5*):

Ok, Cool Thank you @iambatman

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