• The following are grades of 40 students who attended a course in biostatistics, Faculty of Nursing, May 2017. Tabulate these data.

Excellent               Very good            Accepted              Excellent               Very good

Accepted              Very good            Accepted              Good                      Weak

Good                      Accepted              Accepted              Very good             Good

Good                             Good                            Accepted              Good                      Accepted

Good                      Accepted              Very good             Accepted              Weak

Excellent               Weak                     Good                      Weak                     Accepted

Good                      Accepted              Accepted              Very good             Good

Excellent       Very good     Accepted      Excellent       Very good