Given the dataset

We start by computing the average:

We compute the difference bewteen each element and the average:

We square those differences:

And take the average of those squared differences: we sum them

And we divide by the number of elements:

Finally, we take the square root of this quantity and we have the standard deviation:

Answer:
You didn't include the question.
Step-by-step explanation:
Answer:
I haven't done that type of math in a while but I cam up with 21 bookmarks
A right triangle.it has one right angle and it is not a square.
Answer:
The two possible outcomes are 4 and -12, so 4
Step-by-step explanation: