Nirmala Sawan

发表

Auxiliary Information and a priori Values in Construction of Improved Estimators

Florentin Smarandache, Rajesh Singh, Pankaj Chauhan, 2007, 0712.0096.

Improved exponential estimator for population variance using two auxiliary variables

Florentin Smarandache, Nirmala Sawan, Rajesh Singh, 2009, 0902.0126.

A General Family of Estimators for Estimating Population Mean Using Known Value of Some Population Parameter(s)

Florentin Smarandache, Nirmala Sawan, M. Khoshnevisan, 2007, math/0701243.

ALMOST UNBIASED RATIO AND PRODUCT TYPE ESTIMATOR OF FINITE POPULATION VARIANCE USING THE KNOWLEDGE OF KURTOSIS OF AN AUXILIARY VARIABLE IN SAMPLE SURVEYS

Florentin Smarandache, Nirmala Sawan, Rajesh Singh, 2010 .