The mode of the following data values would be 21.
mode is usually a number that is repeated more than once, and in this case, 21 appears twice.
your answer is c
Answer: −
16
m
+
20
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
1. 1/6
2. 1/8
3. 80%
4. 1/5
5. 2/8 or 25%