How to use FREQUENCY function

FREQUENCY(data_array, bins_array)

Calculates how often values occur within a range of values and then returns a vertical array of numbers having one more element than the bins_array:

• data_array - is an array of or reference to a set of values for which you want to count frequencies.
• bins_array - is an array of or reference to intervals into which you want to group the values in the data_array.