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pshichka [43]
3 years ago
9

From 1986-1996, drug overdose deaths per 100,000 began to rise. Numbers for each year are 2,1,2,2,1,2,2,3,3,3,3. What is the mea

n of these statistics?
Mathematics
2 answers:
Anastaziya [24]3 years ago
6 0
To find the mean you need to all of the numbers together and then divide by how many numbers it is . the answer is 2.1
strojnjashka [21]3 years ago
5 0
To find the mean, add all the numbers together and then divide it by how many numbers there are:
2+1+2+2+1+2+2+3+3+3+3=24
There are eleven numbers total, so divide 24 by 11.
24/11=2.1818181818181818.....
The mean of the statistics is approximately 2.2
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X=numerator
y=denominator
the sum of numerator and denominator=x+y
we suggest this system of equations:

y=x-3
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we solve this system of equation by substitution method.
(x+5) / (x-3+5)=5/6
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y=x-3=-20-3=-23

Teh sum of the numerator an denominator=-20+(-23)=-43

Answer:    -43



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3 years ago
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