Adamu A. Umar

According to our database, Adamu A. Umar authored at least 3 papers between 2020 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2022

Effect of measurement errors on triple sampling X ¯ ${{\bar{\bm X}}}$ chart.

Adamu A. Umar, Michael B. C. Khoo, Sajal Saha, Abdul Haq

Qual. Reliab. Eng. Int., 2022

Run sum ratio chart when measurement errors are present.

Sani Salihu Abubakar, Michael B. C. Khoo, Sajal Saha, Adamu A. Umar, Wai Chung Yeong

Qual. Reliab. Eng. Int., 2022

2020

A combined variable sampling interval and double sampling control chart with auxiliary information for the process mean.

Adamu A. Umar, Michael B. C. Khoo, Sajal Saha, Abdul Haq

Trans. Inst. Meas. Control, 2020