# Find the Mean (Arithmetic) 70 , 67 , 73 , 65 , 66 , 77 , 66 , 63 , 66 , 76 , 65 , 89 , 84 , 85 , 68

70 , 67 , 73 , 65 , 66 , 77 , 66 , 63 , 66 , 76 , 65 , 89 , 84 , 85 , 68
The mean of a set of numbers is the sum divided by the number of terms.
70+67+73+65+66+77+66+63+66+76+65+89+84+85+6815
Simplify the numerator.
137+73+65+66+77+66+63+66+76+65+89+84+85+6815
210+65+66+77+66+63+66+76+65+89+84+85+6815
275+66+77+66+63+66+76+65+89+84+85+6815
341+77+66+63+66+76+65+89+84+85+6815
418+66+63+66+76+65+89+84+85+6815
484+63+66+76+65+89+84+85+6815
547+66+76+65+89+84+85+6815
613+76+65+89+84+85+6815
689+65+89+84+85+6815
754+89+84+85+6815
843+84+85+6815
927+85+6815
1012+6815
108015
108015
Divide 1080 by 15.
72
Find the Mean (Arithmetic) 70 , 67 , 73 , 65 , 66 , 77 , 66 , 63 , 66 , 76 , 65 , 89 , 84 , 85 , 68

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