Find the mean for the following data Round your answer to on
Find the mean for the following data.
 Round your answer to one decimal placed as needed.
 
 mean =
| Deliveries Each Week | Frequency | 
|---|---|
| 5 | 6 | 
| 10 | 5 | 
| 15 | 3 | 
| 20 | 7 | 
Solution
number of elements,n=4
sum of frequencies=6+5+3+7=21
therefore mean=21/4 =5.25

