Question

The standard deviation for the sample consisting of 83, 21, and 65 is

I don't understand what they are asking for??

Answer 1

1. Work out the Mean (the simple average of the numbers)
2. Then for each number: subtract the Mean and square the result
3. Then work out the mean of those squared differences.
4. Take the square root of that and we are done!

Answer 2

So add teh numbers and then divide them by 3

Answer 3

the*

Answer 4

169 divided by 3

Answer 5

the standard deviation gives a measure of the spread of data around the mean

Answer 6

we get 56 if rounded to the nearest whole number

Answer 7

And you do the rest

Answer 8

just follow the steps

Answer 9

Thank you so much!!! I was making that way too hard..

Answer 10

ye