Upadhyaya, L. N.; Singh, H. P. On a dual to ratio estimator for estimating finite population variance. (English) Zbl 0661.62008 Nepali Math. Sci. Rep. 11, No. 1, 37-42 (1986). Cited in 2 Documents MSC: 62D05 Sampling theory, sample surveys × Cite Format Result Cite Review PDF