If a researcher has to compare the means across three groups quantitatively, which among the following will be the most appropriate statistical technique for this purposeयदि किसी शोधकर्ता को तीन समूहों में परिमाण के आधार पर मध्यमान की तुलना करनी हो, तो इस प्रयोजनार्थ निम्नलिखित में से क्या सर्वाधिक उपयुक्त सांख्यिकीय तकनीक होगी:
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Correct answer: D. Analysis of varianceप्रसरण विश्लेषण
Explanation
To test whether the means of three or more groups differ significantly, the appropriate technique is Analysis of Variance (ANOVA). Correlation only measures the strength of a relationship, regression predicts one variable from another, and chi-square is used for frequencies of categorical data.यह जाँचने के लिए कि तीन या अधिक समूहों के मध्यमान में सार्थक अंतर है या नहीं, उपयुक्त तकनीक प्रसरण विश्लेषण (ANOVA) है। सह-संबंध केवल संबंध की प्रबलता मापता है, प्रतिगमन एक चर से दूसरे का पूर्वानुमान करता है, और काई-वर्ग वर्गीकृत आँकड़ों की आवृत्तियों के लिए प्रयुक्त होता है।More Research Aptitude questions
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