In the present study we have suggested a newly modified ratio estimator for estimating the population variance by utilizing the auxiliary information of Downton's method. Properties associated with proposed estimators are assessed by mean square error and bias through numerical d...
Open access
Research Article10.9734/AJAEES/2018/41963
M. A. Bhat, T. A. Raja, S. Maqbool, N. A. Sofi, Ab. Rauf, S. H. Baba & Immad. A. Shah·Advances in Research·2018
We have suggested improved and robust estimators for the estimation of finite population variance using non-conventional population parameters as auxiliary variables to enhance the efficiency of proposed estimators. A comparison between suggested estimators and existing estimator...
Open access
Research Article10.9734/AIR/2018/41956
In this study we have introduced a new reliable and robust ratio estimator for estimating the population variance by utilizing the auxiliary information as Gini’s mean difference. Efficiency conditions along with bias and mean square error has been worked out through a numerical...
Open access
Research Article10.9734/JSRR/2018/41962
In this study new improved robust estimator has been proposed for precise estimation of finite population variance in simple random sampling by incorporating as auxiliary information of probability weighted moment. Properties associated with proposed estimators are assessed by me...
Open access
Research Article10.9734/AJAEES/2018/41961
In the present study, we have utilized the tool of modification technique for the precision and improvement of estimators to estimate the finite population variance, when the survey under investigation does not account for some of the important conditional distribution properties...
Open access
Research Article10.9734/JSRR/2018/40222
By adapting the scheme of modification technique, we have developed some new ratio type variance estimators to estimate the finite population variance for skewed populations under survey. We have also derived the functions of efficiency to intensify the quality of efficacy of new...
Open access
Research Article10.9734/JSRR/2018/40116
M. A. Bhat, T. A. Raja, S. Maqbool, S. A. Mir & Nageena Nazeer·Advances in Research·2018
In this present study, we have discussed the issue of presence and absence of non-response that we often face in survey estimation. We have suggested the estimators to estimate the finite population Variance in the absence and presence of non-response, using the linear combinatio...
Open access
Research Article10.9734/AIR/2018/39643
In this present study, we have introduced a new type of ratio estimators for the estimation of finite population variance using standard deviation and deciles as auxiliary variables to improve the efficiency of proposed estimators. A comparison between suggested estimators and ex...
Open access
Research Article10.9734/CJAST/2017/37323
M. A. Bhat, S. Maqbool, S. A. Saraf, Ab. Rouf & S. H. Malik·Advances in Research·2018
In this paper we have suggested Modified ratio type variance estimators where in our aim is to estimate the population variance in the presence of outliers, when there is strong correlation between auxiliary variable and study variable by using, the linear combination of skewness...
Open access
Research Article10.9734/AIR/2018/37321
Nazir Hussain, F. A. Bahar, S. S. Mehdi, M. A. Bhat, Ashaq Hussain, R. H. Kanth, Tahir Sheikh, Rayes Ahmad, O. A. Wani, H. M. Nazim, Shaiysta Fayaz, Ayman Azad & Sadaf Iqbal·Current Journal of Applied Science and Technology·2021
One of the main abiotic constraints that limits pulse production is nutrient imbalance. Pulses play very important role in human diet providing all nutritional and physiological beneficial effects on human health. Pulses are rich in protein, carbohydrates, and dietary fibre, and...
Open access
Research Article10.9734/cjast/2021/v40i531309
Maize has high yield potential due to its C4 metabolism and physiological characteristics; however, the excessive occurrence of weeds in maize field limits the full expression of the yield potential of this crop. Weeds constitute one of the major economically important problems f...
Open access
Research Article10.9734/jeai/2020/v42i830565