All Stories

  1. A New EWMA Control Chart for Monitoring Poisson Observations

    Article • Quality and Reliability Engineering International, March 2016, Wiley

    Mr MU'AZU RAMAT ABUJIYA, Saddam Abbasi

  2. A New Combined Shewhart-Cumulative Sum S Chart for Monitoring Process Standard Deviation

    Article • Quality and Reliability Engineering International, June 2015, Wiley

    Mr MU'AZU RAMAT ABUJIYA

  3. Enhanced Cumulative Sum Charts for Monitoring Process Dispersion

    Article • PLoS ONE, April 2015, PLOS

    Mr MU'AZU RAMAT ABUJIYA

  4. Combined Application of Shewhart and Cumulative Sum R Chart for Monitoring Process Dispersion

    Article • Quality and Reliability Engineering International, September 2014, Wiley

    Mr MU'AZU RAMAT ABUJIYA

  5. Increasing the Sensitivity of Cumulative Sum Charts for Location

    Article • Quality and Reliability Engineering International, June 2014, Wiley

    Mr MU'AZU RAMAT ABUJIYA

  6. Improving the Performance of Exponentially Weighted Moving Average Control Charts

    Article • Quality and Reliability Engineering International, April 2013, Wiley

    Mr MU'AZU RAMAT ABUJIYA

  7. The three statistical control charts using ranked set sampling

    Article • April 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Mr MU'AZU RAMAT ABUJIYA

  8. Improving the Performance of Combined Shewhart-Cumulative Sum Control Charts

    Article • Quality and Reliability Engineering International, October 2012, Wiley

    Mr MU'AZU RAMAT ABUJIYA

  9. Enhancing the Performance of Combined Shewhart‐EWMA Charts

    Article • Quality and Reliability Engineering International, September 2012, Wiley

    Mr MU'AZU RAMAT ABUJIYA

  10. The remainder method for sample percentiles

    Article • International Journal of Mathematical Education in Science and Technology, July 2007, Taylor & Francis

    Mr MU'AZU RAMAT ABUJIYA

  11. Quality Control Chart for the Mean using Double Ranked Set Sampling

    Article • Journal of Applied Statistics, December 2004, Taylor & Francis

    Mr MU'AZU RAMAT ABUJIYA