Question

find the value of 'a', if the mode of the following is 20
15,20,25,18,13,15,25,15,18,17,20,25,20,a,18

Answer 1

Value of 'a' will be 20.

Because mode of the given data will be the number occurring maximum number of times.

So, here 20 is the number which is occurring maximum number of times.(i.e.,4 times)