Find the mean of the following frequency distribution :
Class: | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 |
Frequency: | 17 | 28 | 32 | 24 | 19 |
To find Mean
Mean
Now let's find and
Class : | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 |
Frequency, f | 17 | 28 | 32 | 24 | 19 |
Mean,