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Posted by **kiki83** on Saturday, September 11, 2010 at 2:27am.

153, 215, and 198 students. What is the mean enrollment number?

- Geometry -
**kiki83**, Saturday, September 11, 2010 at 2:30amdo I add and then divide to get the mean number 278+153+215+198=844/4=211

is the mean number is 211?

- Geometry -
**jessica**, Saturday, September 11, 2010 at 2:31am211

- Geometry -
**kiki83**, Saturday, September 11, 2010 at 4:11amthank you

- Geometry -
**Moriah**, Thursday, September 16, 2010 at 6:28pmThe answer is 211.

But, you put the numbers in order from least to greatest 1st always, then add them all and devide by the number of numbers ...... 153+198+215+278= 844/4= 211

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