Question

what is the mean for : 60, 62,66,66,66,66,68,68,68,68,70,70,70,72,72,74,76,76,80,80,82,84 ?
(too easy!)

Answer 1

If this is too easy, then why did you post this question?

Answer 2

because i forgot how to do it -_-

Answer 3

you add all the numbers up and divide it by the number of numbers you added up

Answer 4

there's 22 numbers lol

Answer 5

then what is the standard deviation?

Answer 6

\[\text{Mean}=\frac{ \text{Sum of elements}}{\text{number of elements}}\]