Ryan is correct, the mean is about 8.1.
To find the mean, you have to add up all the values, then divide by the total amount.
For Sample A:
60 x 6 + 90 x 7 + 145 x 8 + 150 x 9 + 55 x 10 = 4050
If you add up all the adults, you have 500.
Dividing 4050 by 500 = 8.1
Sample B will produce a very similar result.
Answer: Its a little blurry I cant se
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Answer:
c
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It shows that there is only one way to get to 10 which is by multiplying it by 1
Answer:
I think PEMDAS would be helpful for this.
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