Standard variations? help?:o so i was supposed to find the mean and standard variation of this number set.
102,98,103,86,101,110
so i took the mean which is 100 and did the subtraction step and got
2,-2,3,-14,1,10
so i squared everything in this step
4,4,9,196,1,100 and i added them all together and got 314.
can someone help me to understand what i need to do next to get the standard variation??? its very confusing.. thanks so much for any help someone trys to give^-^

Question

Standard variations? help?:o so i was supposed to find the mean and standard variation of this number set.
102,98,103,86,101,110
so i took the mean which is 100 and did the subtraction step and got
2,-2,3,-14,1,10
so i squared everything in this step
4,4,9,196,1,100 and i added them all together and got 314. 
can someone help me to understand what i need to do next to get the standard variation??? its very confusing.. thanks so much for any help someone trys to give^-^

abb0t · Answer

Do you mean standard deviation? :)

anonymous · Answer

oooh yes thats what i meant but its alright i figured out myself how to do it:)