Tag: UPSC EPFO APFC Statistics
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Sampling Methods, Correlation & Regression, and Index Numbers (Laspeyres, Paasche, Fisher’s Ideal Index) for UPSC EPFO APFC & Statistical Exams
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Part 2 of Elementary Statistics for UPSC EPFO APFC and RBI Grade B covers Sampling Techniques, Correlation & Regression, and Index Numbers. Every aspirant must memorize: (1) Probability Sampling (Simple Random, Stratified, Systematic, Cluster, Multi-Stage) vs Non-Probability Sampling (Quota, Convenience, Purposive/Judgmental, Snowball); (2) Standard Error of Sample Mean [SE = sigma / sqrt(n) — increasing…
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