+0  
 
0
717
3
avatar+-1 

What is the average of this data set?? (-23)^2, 121, 4, 1, 4, 16, 100, 19^2

 May 9, 2016
 #1
avatar+42 
0

142

First, convert -23^2 and 19^2 into numbers, and you end up getting 529 and 361. 

Add up all of the numbers and get 1136.

Divide by the number of numbers there are (8). 

1136/8 = 142, which ends up being your answer.

 May 9, 2016
 #2
avatar+42 
0

142

First, convert -23^2 and 19^2 into numbers, and you end up getting 529 and 361. 

Add up all of the numbers and get 1136.

Divide by the number of numbers there are (8). 

1136/8 = 142, which ends up being your answer.

 May 9, 2016
 #3
avatar-1 
0

So, really, that would be the proper standard deviation of this data set? 40, 52, 61, 64, 65, 67, 73, 82

whiterice:D  May 9, 2016

1 Online Users