F. Z. Okwonu

Application of x and S Control Charts to Investigate Students’ Performance

F. Z. Okwonu & N. O. Ogini · Journal of Advances in Mathematics and Computer Science · 2017

This paper is coined to investigate the performance of students based on two semesters’ examination scores. The objective of this discussion is to determine whether the performance of students is based on each examination taken or performance is based on each semester. Being a va...

Open access Research Article 10.9734/JAMCS/2017/17493

Using T2 Chart to Monitor the Quality of Ash Content in Flour Production

F. Z. Okwonu & N. O. Ogini · Journal of Advances in Mathematics and Computer Science · 2017

The quality of goods and services can be improved if data sets are collected to determine the causes of variation. In this consideration, the data sets will enable the analyst to evaluate the stability of the manufacturing process. However, the purpose of applying any control cha...

Open access Research Article 10.9734/JAMCS/2017/16745