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