By observing the given data set the number 23 occurs more number of times. F0 just previous the modal class frequency. Estimated Mode L f m f m-1 f m f m-1 f m f m1 w.
Or there may be more than one mode.
F2 just after the modal class frequency. Thus to find a mode youll need a data set to find it for. If by grouped data you mean data that can be divided into a number of groups where all data elements of a given group have the same value the mode is the value of the largest group and the arithmetic mean is the sum of all values of the data elements divided by the number of elements. But we can estimate the Mode using the following formula.