Answer:

Step-by-step explanation:
Given
See attachment for question
Required
Solve
We have:

Take LCM and solve


Answer:
2) 10/9 = 1.111111111
3) 1/2 = 0.5
4) 2
5) 3/7 = 0.428571429
6) 4/5 = 0.8
7) 1
8) 42/11 = 3.818181818
9) 5/3 = 1.666666667
10) 7/4 = 1.75
Step-by-step explanation:
Hope this helps
Simply the standard deviation of the data values is the square root of the variance:

=18
Answer:
D)18
Answer:
2-2=0 because they cancel each other out