E-ISSN 2683-5961 | ISSN 2354-1814
 

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Online Publishing Date:
25 / 01 / 2019

 


IMPROVED RATIO-TYPE ESTIMATOR BY USING UNKNOWN WEIGHT

Singh, R.V.K., Omofoye P. B., Babayemi, A.W., Ahmed, A..


Abstract
Ratio type estimator has been proposed by using unknown constant to estimate population mean of the characteristic under study. The bias and the MSE of the proposed estimator have been derived up to the first order of approximation. Theoretically, the efficiency of the proposed estimator has been compared with sample mean estimator and a condition was found under which the proposed estimator is better than sample mean estimator. Also, the accuracy of proposed estimator was compared with usual ratio type estimator and supported by a numerical illustration.

Key words: Ratio estimator, unknown weight, bias, MSE, efficiency.


 
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How to Cite this Article
Pubmed Style

Singh, R.V.K., Omofoye P. B., Babayemi, A.W., Ahmed, A.. IMPROVED RATIO-TYPE ESTIMATOR BY USING UNKNOWN WEIGHT . Equijost. 2014; 2(1): 151-154.


Web Style

Singh, R.V.K., Omofoye P. B., Babayemi, A.W., Ahmed, A.. IMPROVED RATIO-TYPE ESTIMATOR BY USING UNKNOWN WEIGHT . https://www.equijost.com/?mno=302644002 [Access: March 05, 2024].


AMA (American Medical Association) Style

Singh, R.V.K., Omofoye P. B., Babayemi, A.W., Ahmed, A.. IMPROVED RATIO-TYPE ESTIMATOR BY USING UNKNOWN WEIGHT . Equijost. 2014; 2(1): 151-154.



Vancouver/ICMJE Style

Singh, R.V.K., Omofoye P. B., Babayemi, A.W., Ahmed, A.. IMPROVED RATIO-TYPE ESTIMATOR BY USING UNKNOWN WEIGHT . Equijost. (2014), [cited March 05, 2024]; 2(1): 151-154.



Harvard Style

Singh, R.V.K., Omofoye P. B., Babayemi, A.W., Ahmed, A. (2014) IMPROVED RATIO-TYPE ESTIMATOR BY USING UNKNOWN WEIGHT . Equijost, 2 (1), 151-154.



Turabian Style

Singh, R.V.K., Omofoye P. B., Babayemi, A.W., Ahmed, A.. 2014. IMPROVED RATIO-TYPE ESTIMATOR BY USING UNKNOWN WEIGHT . Equity Journal of Science and Technology, 2 (1), 151-154.



Chicago Style

Singh, R.V.K., Omofoye P. B., Babayemi, A.W., Ahmed, A.. "IMPROVED RATIO-TYPE ESTIMATOR BY USING UNKNOWN WEIGHT ." Equity Journal of Science and Technology 2 (2014), 151-154.



MLA (The Modern Language Association) Style

Singh, R.V.K., Omofoye P. B., Babayemi, A.W., Ahmed, A.. "IMPROVED RATIO-TYPE ESTIMATOR BY USING UNKNOWN WEIGHT ." Equity Journal of Science and Technology 2.1 (2014), 151-154. Print.



APA (American Psychological Association) Style

Singh, R.V.K., Omofoye P. B., Babayemi, A.W., Ahmed, A. (2014) IMPROVED RATIO-TYPE ESTIMATOR BY USING UNKNOWN WEIGHT . Equity Journal of Science and Technology, 2 (1), 151-154.





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