The college of business was interested in comparing the atte
The college of business was interested in comparing the attendance for three different class times for a business statistics class. The data follow.
 What are the block and treatment degrees of freedom?
| Day | 8:00 am Class | 9:30 am Class | 11:00 am Class | 
| Monday | 16 | 39 | 19 | 
| Tuesday | 27 | 16 | 28 | 
| Wednesday | 39 | 27 | 31 | 
Solution
There are 3 x3 items tested
r = no of rows = 3
c = no of columns = 3
Df = (r-1) (c-1) =2 and 2.

