Submitted on: 27 July 2001.
Revised on: 22 November 2001.
Accepted on: 11 January 2002.
___________________Electronic Journal of Applied Statistical Analysis
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Submitted on: 19 January 2021.
Revised on: 16 May 2021.
Accepted on: 17 June 2021.
___________________Electronic Journal of Applied Statistical Analysis
Submitted on: 04 April 2006.
Revised on: 13 July 2006.
Accepted on: 06 September 2006.
___________________Electronic Journal of Applied Statistical Analysis
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Submitted on: 22 January 2022.
Revised on: 20 February 2022.
Accepted on: 10 April 2022.
___________________Electronic Journal of Applied Statistical Analysis
Submitted on: 27 February 2023.
Revised on: 28 March 2023.
Accepted on: 08 May 2023.
___________________Electronic Journal of Applied Statistical Analysis
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