Grades. Two different professors teach an introductory Statistics course. The table shows the distribution of final grades they reported. We wonder whether one of these professors is an "easier" grader.
![816_08426032-56de-464b-ac42-651292b95541.png](https://secure.tutorsglobe.com/CMSImages/816_08426032-56de-464b-ac42-651292b95541.png)
a) Will you test goodness-of-fit, homogeneity, or independence?
b) Write appropriate hypotheses.
c) Find the expected counts for each cell, and explain why the chi-square procedures are not appropriate.