What is the lower limit of the modal class of the following frequency distribution?

Age (in years) | 0 - 10 | 10- 20 | 20 -30 | 30 – 40 | 40 –50 | 50 – 60 |

Number of patients | 16 | 13 | 6 | 11 | 27 | 18 |

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#### Solution

Here the maximum class frequency is 27, and the class corresponding to this frequency is 40-50 So the modal class is 40-50.

Now,

Modal class = 40-50, lower limit (/) of modal class = 40.

Thus, lower limit (/) of modal class is 40

Concept: Graphical Representation of Cumulative Frequency Distribution

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