Answer:
sqrt(2)
Step-by-step explanation:
1. Find the mean.
Mean=1+2+3+4+5=15/5=3
2. Subtract each number by the mean and square the value.
1-3=-2^2=4
2-3=-1^2=1
3-3=0^2=0
4-3=1^2=1
5-3=2^2=4
3. Add the values in step 2 then divide by amount of numbers.
4+1+0+1+4=10/5=2
4.Square the value in step 3 and that is the answer.
8.5 and 10 are the answers looks like u had them in
