Homework SourseFind the mean of the group Round your answer to 2 decimal pl
Find the mean of the group: (Round your answer to 2 decimal places.)
| Class | Frequency (f) | Midpoint | f × Midpoint |
| 1-350 | 28 | 175.5 | 4,914.00 |
| 351-700 | 33 | 525.5 | 17,341.50 |
| 701-1050 | 27 | 375.5 | 10,138.50 |
| Total 88 | Total 32,394.00 | ||
| Mean is___________ |
Solution
mean = sum of (f * midpoint) / sum of (f)
= 32394 / 88
= 368.11 (ans)
