Using a Modified Quality Control Charts on Academic Grades of Tertiary Institutions Students
Keywords:Quality control, X-bar, R-chart, CGPA, Students, NBTE.
Quality of products or services has different meaning by different Authors. Quality of academic processes in Nigeria is measured mainly by the standard set by regulatory bodies of Educational Institutions. There are a number of factors that affects quality assurance and students’ academic performance in Nigeria. This study is on the application of statistical quality control techniques on the academic performance of students. The study was aimed to investigate the performance of both National Diploma (ND) and Higher National Diploma (HND) students of the Waziri Umaru Federal Polytechnic (WUFP) Birnin Kebbi, Nigeria, using a modified version of the Shewhart’s quality control charts. Nine (9) departments from a total of 32 departments of the institution were selected. A total of 720 student’s records of Cumulative Grade Point Averages (CGPAs) were studied. Twenty student’s records each were selected per session and per programme. The results showed that the overall performance of students of the Institution is within the average standard expected of each graduand of the Polytechnic as provided by the regulatory body, the National Board for Technical Education (NBTE).
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