Laura listens to one of 3 different podcasts while exercisin…
Laura listens to one of 3 different podcasts while exercising. Podcast A is 15 minutes long, podcast B lasts 30 minutes, and podcast C is 90 minutes. Last month Laura listened to podcast A 19 times, podcast B 4 times, and podcast C 2 times. Briefly explain why the unweighted mean you computed above is different from the simple, unweighted mean. Note: No computations are required for this part. I simply am asking you to explain why the weighted mean is higher, lower, or about the same as the unweighted mean.
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