Question
Mathematics Question on Statistics
The mean of the data
| 0-10 | 10-20 | 20-30 | 30-40 | 40-50 |
|---|---|---|---|---|
| 5 | 2 | 5 | x | 6 |
is 26 , then variance of the data is?
Answer
The correct answer is 815.
The mean of the data
| 0-10 | 10-20 | 20-30 | 30-40 | 40-50 |
|---|---|---|---|---|
| 5 | 2 | 5 | x | 6 |
is 26 , then variance of the data is?
The correct answer is 815.