The answer is 50 because if u add 20 and 50 it makes 70:)
Answer:
what is it that you are looking for tho
Step-by-step explanation:
Answer:
The variance of these investment returns is 74
Step-by-step explanation:
Given:
Series = 10, 30, 15, 5, 20
To Find:
variance of a series = ?
Solution:
The variance of the series = 



Now

= 
= 36 + 196 +121 + 1+ 16
= 370
Now
= 74
Answer:
no
Step-by-step explanation:
Find the mean of <br>35,26,31,16,21,23,27,30,26,17,19,27
zzz [600]
Hello!
To find the mean, we must add all the terms in the dataset and divide by how many there are.
35+26+31+16+21+23+27+30+26+17+19+27=450
There are 12 terms in the dataset, so we divide by 12:
37.5
So the mean of this set is 37.5.
Hope this helps you!
~Just a joyful teen
