Question 16.11

16.11 Online discussion posting.

Students in a fully online MBA statistics course are required as to post relevant learning contributions in the course’s discussion forum throughout the semester. These posts serve as a form of online participation and factor into their grades. Below find the number of posts during the semester by the six female students in the class.5

posts

23 27 20 16 10 31

Find the ranks for these data.

16.11

There are no tied values; the following table shows the corresponding ranks.

Sex M M M M F M M M
Posts 3 4 5 9 10 12 13 14
Rank 1 2 3 4 5 6 7 8
Sex M F M M F F F F
Posts 15 16 17 18 20 23 27 31
Rank 9 10 11 12 13 14 15 16