In this paper, the parameter estimation is discussed by using the maximum likelihood method when the available data have the form of progressively censored sample from a constant-stress accelerated competing failure model. Normal approximation and bootstrap confidence intervals for the unknown parameters are obtained and compared numerically. The simulation results show that bootstrap confidence intervals perform better than normal approximation. A thermal stress example is discussed.
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Amirkabir Univ Technol, Dept Stat, Fac Math & Comp Sci, Tehran Polytech, Tehran, IranAmirkabir Univ Technol, Dept Stat, Fac Math & Comp Sci, Tehran Polytech, Tehran, Iran
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Taibah Univ, Community Coll Khyber, Dept Adm & Financial Sci, Madinah, Saudi Arabia
Sohag Univ, Math Dept, Sohag 82524, EgyptTaibah Univ, Community Coll Khyber, Dept Adm & Financial Sci, Madinah, Saudi Arabia
Ahmed, Essam A.
Ali Alhussain, Ziyad
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Majmaah Univ, Coll Sci Al Zulfi, Dept Math, Al Majmaah, Saudi ArabiaTaibah Univ, Community Coll Khyber, Dept Adm & Financial Sci, Madinah, Saudi Arabia
Ali Alhussain, Ziyad
Salah, Mukhtar M.
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Majmaah Univ, Coll Sci Al Zulfi, Dept Math, Al Majmaah, Saudi ArabiaTaibah Univ, Community Coll Khyber, Dept Adm & Financial Sci, Madinah, Saudi Arabia
Salah, Mukhtar M.
Haj Ahmed, Hanan
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King Faisal Univ, Basic Sci Dept, Dammam, Saudi ArabiaTaibah Univ, Community Coll Khyber, Dept Adm & Financial Sci, Madinah, Saudi Arabia
Haj Ahmed, Hanan
Eliwa, M. S.
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Majmaah Univ, Coll Sci Al Zulfi, Dept Math, Al Majmaah, Saudi Arabia
Mansoura Univ, Dept Math, Fac Sci, Mansoura, EgyptTaibah Univ, Community Coll Khyber, Dept Adm & Financial Sci, Madinah, Saudi Arabia