97 , 77 , 99 , 77 , 52 , 51 , 97 , 58 , 73 , 62 , 52 , 52
The mean of a set of numbers is the sum divided by the number of terms.
97+77+99+77+52+51+97+58+73+62+52+5212
Add 97 and 77.
174+99+77+52+51+97+58+73+62+52+5212
Add 174 and 99.
273+77+52+51+97+58+73+62+52+5212
Add 273 and 77.
350+52+51+97+58+73+62+52+5212
Add 350 and 52.
402+51+97+58+73+62+52+5212
Add 402 and 51.
453+97+58+73+62+52+5212
Add 453 and 97.
550+58+73+62+52+5212
Add 550 and 58.
608+73+62+52+5212
Add 608 and 73.
681+62+52+5212
Add 681 and 62.
743+52+5212
Add 743 and 52.
795+5212
Add 795 and 52.
84712
84712
Divide.
70.583‾
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.
70.6
Find the Mean (Arithmetic) 97 , 77 , 99 , 77 , 52 , 51 , 97 , 58 , 73 , 62 , 52 , 52