3
10. The following data represent the
marks of eight students by 3
teachers in terms
performanus on
of their
a particular skill:
students A B C
1 8 4 2
2 6 3 6
3 8 4 8
4 10 8 8
5 12 6 8
6 14 10 9
7 16 8 10
8 20 11 8
Apply the techniques of analysis of variance to answer the following questions
a) Did the teachers discriminate among the students in their marking?
b) Did the teachers differ among themselves in their marking?
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