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Mathematics 17 Online
OpenStudy (anonymous):

The dot plots below show the ages of students belonging to two groups of music classes: A dot plot shows two divisions labeled Group A and Group B. The horizontal axis is labeled as Age of Music Students in years. Group A shows 5 dots at 6, 5 dots at 8, 3 dots at 9, 7 dots at 11, and 5 dots at 13. Group B shows 2 dots at 6, 4 dots at 10, 4 dots at 13, 3 dots at 15, 5 dots at 16, 4 dots at 19, and 3 dots at 21. Based on visual inspection, which group most likely has a lower mean age of music students? Explain your answer using two or three sentences.

OpenStudy (anonymous):

can you guys please help me

OpenStudy (loser66):

pic?

OpenStudy (loser66):

ok

OpenStudy (anonymous):

how do you send the picture

OpenStudy (anonymous):

I forgot

OpenStudy (loser66):

for A) 5 dots at 6, it means 6,6,6,6,6 (5 times) 5 dots at 8, it means 8,8,8,8,8 (5times) 3 dots at 9, it means 9,9,9 (3times) can you finish at 11 and 13?

OpenStudy (anonymous):

let me attach the file

OpenStudy (anonymous):

I attached it

OpenStudy (anonymous):

loser 66

OpenStudy (anonymous):

are you there

OpenStudy (loser66):

yup, how many dot in total?

OpenStudy (loser66):

for group A

OpenStudy (anonymous):

25

OpenStudy (loser66):

ok, no need to find it out. They said "based on visual inspection, which group has lower mean age..." to me, it is A |dw:1432501556910:dw|

OpenStudy (anonymous):

so its a

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