Grade 6HardStatistics ShareStatistics · Hard problem203040506070Find the mean and the median of 39,18,13,20,75,78,57,72,1539, 18, 13, 20, 75, 78, 57, 72, 1539,18,13,20,75,78,57,72,15. Show answer Walk through it step by step Practice more like this Review this concept