Finding N

QUESTION 1 10 point John listens to a variety of music, including easy listening, classical, and pop/rock. These are the lengths of some of his favorite albums for each of these categories: Easy Listening Classical Pop/Rock 39 67 47 60 76 47 40 51 66 56 51 50 41 36 78 55 61 41 What is the n of the "easy listening" album group