3 papers
math.GM2002
A Family of Estimators of Population Mean Using Multiauxiliary Information in Presence of Measurement Errors
Jack Allen, Housila P. Singh, Florentin Smarandache
This paper proposes a family of estimators of population mean using information on several auxiliary variables and analyzes its properties in the presence of measurement errors.
math.GM2002
Fuzziness and Funds Allocation in Portfolio Optimization
Jack Allen, Sukanto Bhattacharya, Florentin Smarandache
Each individual investor is different, with different financial goals, different levels of risk tolerance and different personal preferences. From the point of view of investment m…
math.PR2002
A General Class of Estimators of Population Median Using Two Auxiliary Variables in Double Sampling
Jack Allen, Housila P. Singh, Sarjinder Singh +1
In this paper we have suggested two classes of estimators for population median M_Y of the study character Y using information on two auxiliary characters X and Z in double samplin…