What is the mean of reported heights listed in the table below? number reported height measured height difference description 1 61 62 -1 under reported 2 68 68 0 accurately reported 3 57.5 56.5 1 over reported 4 48.5 47 1.5 over reported 5 75 72 3 over reported 6 65 65 0 accurately reported 7 80 78 2 over reported 8 68 67 1 over reported 9 69 69.5 -0.5 under reported 10 63 62.5 0.5 over reported 64.75 65.125 65.5 66.5