Submitted on: 06 May 2012.
Revised on: 12 June 2012.
Accepted on: 08 July 2012.
___________________JIRSS-Journal of the Iranian Statistical Society
Submitted on: 24 April 2021.
Revised on: 05 July 2021.
Accepted on: 22 July 2021.
___________________JIRSS-Journal of the Iranian Statistical Society
http://reply.papertrans.cn/2/149/14890/14890-13.png
Submitted on: 15 October 2022.
Revised on: 16 December 2022.
Accepted on: 05 January 2023.
___________________JIRSS-Journal of the Iranian Statistical Society
http://reply.papertrans.cn/2/149/14890/14890-15.png
Submitted on: 30 September 2017.
Revised on: 18 January 2018.
Accepted on: 01 March 2018.
___________________JIRSS-Journal of the Iranian Statistical Society
Submitted on: 29 December 1999.
Revised on: 12 March 2000.
Accepted on: 28 March 2000.
___________________JIRSS-Journal of the Iranian Statistical Society
Submitted on: 15 January 2024.
Revised on: 06 March 2024.
Accepted on: 21 March 2024.
___________________JIRSS-Journal of the Iranian Statistical Society
http://reply.papertrans.cn/2/149/14890/14890-19.png
http://reply.papertrans.cn/2/149/14890/14890-20.png