The standard deviation of the set of values (2, 3, 6, 9, 10) is <span>square root of 12.5 (</span>

) therefore
OPTION C
Answer:
131
Step-by-step explanation:
You just put the biggest number in the box, and then you divide by the lower number.
For #1 it's going to be proper because it's pretty specific, and for number two it's going to be all common because it's not citing anything specific.