Suppose your instructor randomly surveyed his or her performance

Suppose your instructor randomly surveyed his or her performance (i.e., students "graded" the teacher) this semester. The frequency of ratings are as follows:
• A: 10
• B: 6
• C: 6
• D: 3
• F: 2
Please answer the following:
a. Did your instructor, over many years of teaching, perform outstandingly? Why or why not? Provide analysis.
b. Can you describe a chi-squared application in your profession?