When a research problem is related to heterogeneous population, the most suitable sampling method is:जब अनुसंधान समस्या विषम (Heterogeneous) जनसंख्या से संबंधित हो, तब सबसे अधिक उपयुक्त प्रतिचयन विधि है:
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Correct answer: B. Stratified Samplingस्तरित प्रतिचयन (Stratified Sampling)
Explanation
In stratified sampling the heterogeneous population is divided into homogeneous strata (e.g. by gender, income) and units are drawn from each stratum, so every subgroup is represented. Simple random (lottery) and cluster sampling suit more homogeneous populations. Answer: Stratified Sampling.स्तरित प्रतिचयन में विषम जनसंख्या को समरूप स्तरों (जैसे लिंग, आय) में बाँटकर प्रत्येक स्तर से इकाइयाँ चुनी जाती हैं, जिससे हर उपसमूह का प्रतिनिधित्व होता है। साधारण यादृच्छिक (लॉटरी) और क्लस्टर प्रतिचयन अपेक्षाकृत समरूप जनसंख्या के लिए उपयुक्त हैं। उत्तर: स्तरित प्रतिचयन।More Research Aptitude questions
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