Database Analysis Issues - Essay Example

In class standing, freshman students performed worse while the non-degree performed the best in the sub-group. For the student major sub-group, MIS performed the best than any other and it had the highest count of students. An outstanding inconsistency witnessed occurs in the version sub-group where most of the student scores A but their average remains less than any other in the group. This may have resulted from a wider range between the students scoring A  and hence higher standard deviation.

The above three bar charts compare the performance of each sub-group to that of the entire class. For the first chart, showing the versions, the class average of version B was best than any other with the class tieing for the worse with version A. It is only for the MAJORS, that the class exhibited the best performance when compared to any other subgroup. For chart 3, showing the standings, the class witnessed an average positioned second last after the freshman average. Read More