Solution:
We are given the below frequency distribution:
Genre Frequency
Rock 19
Hip-Hop 10
Country 12
Blues 24
Classical 3
We have to identify the modal class from the above frequency distribution.
Model class is the one which has the highest frequency because mode is the number that occurs most times.
Looking at the above frequency distribution, we clearly see the Genre "Blues" has the highest frequency of 24. Therefore, Blues is the modal class and option a. blues is correct.