Add the seven numbers up then divide the answer by that 7
So 78+65=143
72+60+73=205
86+74=160
Total = 508
508 / 7 = 72.571
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71.085106
It is 73, the middle value.
Mean simply means average. To find the average of a set of numbers, simply add them all together and then divide by the amount of numbers you added. 72 + 73 + 74 + 75 + 76 = 370 370 ÷ 5 = 74. The mean of {72, 73, 74, 75, 76} is 74, which is also the median.
65, 66 67 68 and 69 can all be numbers to be rounded to 70.
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