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



60 Number of patients



16



13



6



11



27



18


Here, the maximum class frequency is 27.

The class corresponding to this frequency is the modal class. modal class = 40 - 50


lower limit of the modal class (l) = 40


2