[1] | ABID, M., ABBAS, N. SHERWANI, R.A.K. AND NAZIR, H. Z. (2016). Improved Ratio Estimators for the population mean using non-conventional measure of dispersion. Pakistan Journal of Statistics and Operations Research, XII (2), 353-367. |
[2] | COCHRAN, W. G. (1940). The Estimation of the Yields of the Cereal Experiments by Sampling for the Ratio of Grain to Total Produce. The Journal of Agric. Science, 30, 262-275. |
[3] | JERAJUDDIN, M., KISHUN, J. (2016). Modified Ratio Estimators for Population Mean Using Size of the Sample, Selected From Population, IJSRSET, 2, 2, 10-16. |
[4] | KADILAR, C., CINGI, H. (2004). Ratio estimators in simple random sampling, Applied Mathematics and Computation, 151, 893–902. sss. |
[5] | KADILAR, C., CINGI, H. (2006a). An improvement in estimating the population mean by using the correlation co-efficient, Hacettepe Journal of Mathematics and Statistics, 35 (1), 103–109. |
[6] | Gupta, R.K. and Misra, S. (2006). Estimation of Population Variance Using Ratio Type Estimator” in Indian Journal of Mathematics and mathematical Sciences. Vol.2, No.2, 169-176. |
[7] | Misra, S. and Gupta, R.K. (2008). Almost Unbiased Jacknifed Ratio type estimator of Population variance” in International Journal of Agricultural and Statistical Sciences (IJASS), Vol.4, No.2, 345-350. |
[8] | Misra, S., Gupta, R.K. and Shukla, A.K. (2012). Generalized Class of Estimators for Estimation of finite Population Variance” in International Journal of Agricultural and Statistical Sciences, Vol. 8, No. 2, pp. 447-458. |
[9] | KADILAR, C., CINGI, H. (2006b). Improvement in estimating the population mean in simple random sampling, Applied Mathematics Letters, 19, 75–79. |
[10] | KADILAR, C., CINGI, H. (2009). Advances in sampling theory - Ratio method of estimation, Bentham Science Publishers. |
[11] | KOYUNCU, N., KADILAR, C. (2009). Efficient estimators for the population mean, Hacettepe Journal of Mathematics and Statistics, 38(2), 217–225. |
[12] | MUKHOPADHYAY, P. (2009). Theory and methods of survey sampling, PHI Learning, 2nd edition, New Delhi. |
[13] | MURTHY, M.N. (1967). Sampling Theory and Methods; Statistical Publishing Society, Calcutta. |
[14] | SINGH, G.N. (2003). On the improvement of product method of estimation in sample surveys, Journal of Indian Society of Agricultural Statistics, 56 (3), 267–265. |
[15] | SINGH, H. P., TAILOR, R. (2003). Use of known correlation coefficient in estimating the finite population means, Statistics in Transition, 6 (4), 555–560. |
[16] | SINGH, D., CHAUDHARY, F. S. (1986). Theory and analysis of sample survey designs, New Age International Publisher, New Delhi. |
[17] | SINGH, H. P., TAILOR, R. (2003). Use of known correlation coefficient in estimating the finite population means, Statistics in Transition, 6 (4), 555–560. |
[18] | SINGH, H. P., TAILOR, R. (2005). Estimation of finite population mean with known co-efficient of variation of an auxiliary variable, Statistica, anno LXV, 3, 301–313. |
[19] | SISODIA, B.V.S. and DWIVEDI, V.K. (1981). A Modified Ratio Estimator using Coefficient of Variation of Auxiliary Variable; Jour. of Indian. Soc. of Agri. Stat., Vol. 33(1). Pp. 13–18. |
[20] | SUBRAMANI, J. (2013). Generalized modified ratio estimator of finite population mean, Journal of Modern Applied Statistical Methods, 12 (2), 121–155. |
[21] | SUBRAMANI, J., KUMARAPANDIYAN, G. (2012a). Estimation of population mean using coefficient of variation and median of an auxiliary variable, International Journal of Probability and Statistics, 1 (4), 111–118. |
[22] | SUBRAMANI, J., KUMARAPANDIYAN, G. (2012b). Modified ratio estimators using known median and coefficient of kurtosis, American Journal of Mathematics and Statistics, 2 (4), 95–100. |
[23] | SUBRAMANI, J., KUMARAPANDIYAN, G. (2012c). Estimation of population mean using known median and coefficient of skewness, American Journal of Mathematics and Statistics, 2 (5), 101–107. |
[24] | SUBRAMANI, J., KUMARAPANDIYAN, G. (2013a). Estimation of population mean using deciles of an auxiliary variable, Statistics in Transition-New Series, 14 (1), 75–88. |
[25] | SUBRAMANI, J., KUMARAPANDIYAN, G. (2013b). A new modified ratio estimator of population mean when median of the auxiliary variable is known, Pakistan Journal of Statistics and Operation Research, Vol. 9 (2), 137–145. |
[26] | TAILOR, R., SHARMA, B. (2009). A modified ratio-cum-product estimator of finite population mean using known coefficient of variation and coefficient of kurtosis, Statistics in Transition-New Series, 10 (1), 15–24. |
[27] | UPADHYAYA, L.N. & SINGH, H.P. (1999). Use of transformed auxiliary variable in estimating the finite population means, Biometrical Journal 41 (5), 627–636. |
[28] | YADAV, S.K. AND PANDEY, H. (2011). Improved Exponential Estimators of Population Mean Using Qualitative Auxiliary Information under Two Phase Sampling, Investigations in Mathematical Sciences, Vol. 1, 85-94. |
[29] | YADAV, S. K. AND ADEWARA, A.A. (2013). On Improved Estimation of Population Mean using Qualitative Auxiliary Information, Mathematical Theory and Modeling, 3, 11, 42-50. |
[30] | YADAV, S.K; MISHRA, S.S. AND SHUKLA, A.K. (2014). Improved Ratio Estimators for Population Mean Based on Median Using Linear Combination of Population Mean and Median of an Auxiliary Variable. American Journal of Operational Research, 4, 2, 21-27. |
[31] | YADAV, S.K; MISHRA, S.S. AND SHUKLA, A.K. (2015). Estimation Approach to Ratio of Two Inventory Population Means in Stratified Random Sampling, American Journal of Operational Research, 5, 4, 96-101. |
[32] | YADAV, S. K; MISHRA, S. S; SHUKLA, A.K; KUMAR, S. AND SINGH, R. S. (2016a). Use of Non-Conventional Measures of Dispersion for Improved Estimation of Population Mean, American Journal of Operational Research, 6, 3, 69-75. |
[33] | YADAV, S. K; GUPTA, SAT; MISHRA, S. S. AND SHUKLA, A. K. (2016b). Modified Ratio and Product Estimators for Estimating Population Mean in Two-Phase Sampling, American Journal of Operational Research, 6, 3, 61-68. |
[34] | YADAV, S.K; SUBRAMANI, J; MISHRA, S.S. AND SHUKLA, A .K. (2016c). Improved Ratio-Cum-Product Estimators of Population Mean Using Known Population Parameters of Auxiliary Variables, American Journal of Operational Research, 6, 2, 48-54. |
[35] | YADAV, S.K; MISRA, S; MISHRA, S.S. AND CHUTIMAN, N. (2016d). Improved ratio estimators of population mean in Adaptive Cluster Sampling, Journal of Statistics Applications and Probability Letter, 3, 1, 1-6. |
[36] | YAN, Z. & TIAN, B. (2010). Ratio Method to the Mean Estimation using Coefficient of Skewness of Auxiliary Variable; ICICA, Part-II, CCIS 106, pp. 103 – 110. |
[37] | Gupta, R.K. and Yadav, S.K. (2017). New Efficient Estimators of Population Mean Using Non-Traditional Measures of Dispersion. Open Journal of Statistics, 7, 394-404. https://doi.org/10.4236/ojs.2017.73028. |