It is 1/30 but if you mean 2 divided by 1 and 5/9 then it is 9/7 or 1 and 2/7
The mean is 4.25, the median is 3.5 and the modes are 1 and 2.
mode- 5 median- 5 mean- 4.8
5
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The arithmetic mean of 2, 5, 5, 1 and 9 is 4.4
I am assuming that you mean (2/(6-1))/9. That would be (2/5)/9, which would be (2/5)*(1/9), which is 2/45. If you mean (2/6)-(1/9), that would simplify to (1/3)-(1/9). That is equivalent to (3/9)-(1/9), so the answer is 2/9.
It is 1/30 but if you mean 2 divided by 1 and 5/9 then it is 9/7 or 1 and 2/7
If you mean: -1/9 plus -5/9 then it is equal to -6/9 which simplifies to -2/3
5
2.738612788 First, find the mean (average) of all the numbers: 1+2+3+4+5+6+7+8+9 = 45 45 / 9 = 5 Mean is 5 Now take every number and calculate how far it is away from the mean, then square that number 1-5 = -4 ^2 = 16 2-5 = -3 ^2 = 9 3-5 = -2 ^2 = 4 4-5 = -1 ^2 = 1 5-5 = 0 ^2 = 0 6-5 = 1 ^2 = 1 7-5 = 2 ^2 = 4 8-5 = 3 ^2 = 9 9-5 = 4 ^2 = 16 Next, add all the results: 16+9+4+1+0+1+4+9+16 = 60 Then divide by the sample size minus 1 (n-1): 60 / 8 = 7.5 Finally, find the square root of that number: 7.5^ 0.5 = 2.738612788 Answer: 2.738612788
5 and 1/3
The mean is 4.25, the median is 3.5 and the modes are 1 and 2.
The mean is 7.
FALSEThe mean is the MOST affected by the outlier.Example:9 is the outlier1 + 2 + 3 + 4 + 5 + 9 = 24Divided by 6 = 4Without 9 the solution is this:1 + 2 + 3 + 4 + 5 = 15Divided by 5 = 3The median and mode are also affected.
5/9 divided by 1/2 = 5/9 * 2 = 10/9 or 1 1/9
Mean = (9 + 10 + 2 + 5 + 5)/5 = 31/5 = 6.2