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koban [17]
3 years ago
10

Can someone solve this for me? Or explain it at least...? You don't have to give a full detailed answer, I just need simple answ

ers as a guide to this cause I'm really stuck. I'll give brainliest and 20 points..

Mathematics
2 answers:
Anvisha [2.4K]3 years ago
8 0
So you add all of the numbers of books owned by each student then divide it by 8, after you get the result you subtract the total by the number of books of each student individually (and if you get a negative it will be positive) then after you finish subtracting all 8 students book total you add up the numbers together and then you divide by 8 again and you get your mean.. hope this helped
Viefleur [7K]3 years ago
5 0
A) To find the mean you have to add all of the values together and divide it by the total number of values. So, 8+9+9+7+8+6+9+8=64 ---> there are 8 numbers----> 64/8=8----> the mean is 8.
(B) Take each number and subtract it by the mean. For example 7-8= -1. Then take the absolute value of that number. For example. l7-8l= 1. Do that for every number. Add the differences together. 0+1+1+1+0+2+1+0=6. Divide the sum by the number of values added. 6/8= .75  This is the mean absolute value deviation.
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timurjin [86]

Answer:

8.66

Step-by-step explanation:

root 75 is also 5 root 3 (after simplifying)

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3 years ago
Read 2 more answers
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Marina86 [1]

Answer:

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Step-by-step explanation:

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This method avoids having to deal with awkward fractions

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