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alomo
Posts: 70
Posted 23:43 Jul 20, 2009 |

 

It seems like the exercise implies that only one department can have the lowest average section size.

However, it is obvious that for each year several departments could have average section size equal to the lowest average section size.

cysun
Posts: 2935
Posted 14:19 Jul 21, 2009 |

You can include all the departments that have the lowest average section size, or just one of them - whichever is easier to do.