Question

The scores of 20 students in a test is tabulated as follows. Find the mode of the data. ​

Answer 1

Hope you understand...

Answer 2

given

l=lower boundary (30)

h=size of the modal class (10)

f1=frequency of the modal class (8)

f0=frequency of the class preceding the modal class (5)

f2=frequency of the succeeding the modal class (4)

mode = l+[f1-f0÷2f1-f0-f2]×h