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Submitted on: 28 June 2023.
Revised on: 05 September 2023.
Accepted on: 25 September 2023.
___________________Electronic Journal of Applied Statistical Analysis
Submitted on: 24 June 2017.
Revised on: 29 July 2017.
Accepted on: 10 September 2017.
___________________Electronic Journal of Applied Statistical Analysis
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Submitted on: 12 September 2007.
Revised on: 31 October 2007.
Accepted on: 01 December 2007.
___________________Electronic Journal of Applied Statistical Analysis