# Find the Mean (Arithmetic) 88 , 89 , 65 , 62 , 83 , 63 , 84 , 63 , 74 , 64 , 71 , 82 , 66 , 88 , 79 , 60 , 86 , 93 , 99 , 60 , 85

88 , 89 , 65 , 62 , 83 , 63 , 84 , 63 , 74 , 64 , 71 , 82 , 66 , 88 , 79 , 60 , 86 , 93 , 99 , 60 , 85
The mean of a set of numbers is the sum divided by the number of terms.
88+89+65+62+83+63+84+63+74+64+71+82+66+88+79+60+86+93+99+60+8521
Simplify the numerator.
Add 88 and 89.
177+65+62+83+63+84+63+74+64+71+82+66+88+79+60+86+93+99+60+8521
Add 177 and 65.
242+62+83+63+84+63+74+64+71+82+66+88+79+60+86+93+99+60+8521
Add 242 and 62.
304+83+63+84+63+74+64+71+82+66+88+79+60+86+93+99+60+8521
Add 304 and 83.
387+63+84+63+74+64+71+82+66+88+79+60+86+93+99+60+8521
Add 387 and 63.
450+84+63+74+64+71+82+66+88+79+60+86+93+99+60+8521
Add 450 and 84.
534+63+74+64+71+82+66+88+79+60+86+93+99+60+8521
Add 534 and 63.
597+74+64+71+82+66+88+79+60+86+93+99+60+8521
Add 597 and 74.
671+64+71+82+66+88+79+60+86+93+99+60+8521
Add 671 and 64.
735+71+82+66+88+79+60+86+93+99+60+8521
Add 735 and 71.
806+82+66+88+79+60+86+93+99+60+8521
Add 806 and 82.
888+66+88+79+60+86+93+99+60+8521
Add 888 and 66.
954+88+79+60+86+93+99+60+8521
Add 954 and 88.
1042+79+60+86+93+99+60+8521
Add 1042 and 79.
1121+60+86+93+99+60+8521
Add 1121 and 60.
1181+86+93+99+60+8521
Add 1181 and 86.
1267+93+99+60+8521
Add 1267 and 93.
1360+99+60+8521
Add 1360 and 99.
1459+60+8521
Add 1459 and 60.
1519+8521
Add 1519 and 85.
160421
160421
Divide.
76.38095238
The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.
76.4
Find the Mean (Arithmetic) 88 , 89 , 65 , 62 , 83 , 63 , 84 , 63 , 74 , 64 , 71 , 82 , 66 , 88 , 79 , 60 , 86 , 93 , 99 , 60 , 85

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