Question

Help with finding standard deviation. Given the time class, mid point and frequency

Answer 1

guess u know the formula of standard deviation...

Answer 2

do you know how to do it on the ti-83 calculator?

Answer 3

my answer isn't coming out right;/

Answer 4

no, but i can do it on paper.. :)

Answer 5

or in computer programs

Answer 6

is it a long process? I'm not sure what the formula is

Answer 7

ill take a picture of the question and post it in a second:)

Answer 8

\[\sqrt{1/n \sum_{}^{}(x _{i}-mean)^{2}}\]