Question

Find the mode of the given frequency distribution : | Class | Frequency | |-------|----------| | 15 – 25 | 6 | | 25 – 35 | 11 | | 35 – 45 | 22 | | 45 – 55 | 23 | | 55 – 65 | 14 | | 65 – 75 | 5 |

Find the mean, median and mode of the following frequency distribution:

The following table shows the ages of the patients admitted in a hospital during a month: | Age (in years) | 5 - 15 | 15 - 25 | 25 - 35 | 35 - 45 | 45 - 55 | 55 - 65 | |----------------|--------|---------|---------|---------|---------|----------| | Number of patients | 6 | 11 | 21 | 23 | 14 | 5 | Find the mode and the mean of the data given above.

Is it true to say that the mean, mode and median of grouped data will always be different? Justify your answer.