Mouse weights. Find the mean and median for the data in the following table. Interval 41.5-43.5 43.5-45.5 45.5-47.5 47.5-49.5 49.5-51.5 51.5-53.5 53.5-55.5 55.5-57.5 57.5-59.5 15 Frequency 4 5 13 16 21 15 8 1 mean 50.5 (Round to two decimal places if needed.) median = (Round to two decimal places if needed.)