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SPECIAL ARTICLE
Year : 2008  |  Volume : 52  |  Issue : 6  |  Page : 788

Basic Statistical Concepts for Sample Size Estimation


1 Professor and Head, KLE University, J.N. Medical College and KLES Dr. Prabhakar Kore Hospital and Medical Research Centre, Belgaum - 590010, Karnataka State, India
2 Professor, KLE University, J.N. Medical College and KLES Dr. Prabhakar Kore Hospital and Medical Research Centre, Belgaum - 590010, Karnataka State, India
3 Associate Professor, KLE University, J.N. Medical College and KLES Dr. Prabhakar Kore Hospital and Medical Research Centre, Belgaum - 590010, Karnataka State, India
4 P.G. Student, KLE University, J.N. Medical College and KLES Dr. Prabhakar Kore Hospital and Medical Research Centre, Belgaum - 590010, Karnataka State, India

Correspondence Address:
Vithal K Dhulkhed
Plot No. 7229, Sector No.10, Mal Maruti Extension, Belgaum- 590016, Karnataka,
India
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Source of Support: None, Conflict of Interest: None


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For grant proposals the investigator has to include an estimation of sample size .The size of the sample should be adequate enough so that there is sufficient data to reliably answer the research question being addressed by the study. At the very planning stage of the study the investigator has to involve the statistician. To have meaningful dialogue with the statistician every research worker should be familiar with the basic concepts of statistics. This paper is concerned with simple principles of sample size calculation. Concepts are explained based on logic rather than rigorous mathematical calculations to help him assimilate the fundamentals.


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