CUET PG 2026 M.COM CRASH COURSE | Statistical Methods Lec-4 |

Описание: CUET PG M.Com 2026 | Statistics | Standard Deviation, Skewness & Correlation (Complete Concept + Numericals)

In this lecture, we cover important statistical tools frequently asked in CUET PG M.Com, NET, and university exams. The session focuses on concept clarity, formulas, shortcuts, and exam-oriented numericals.

📌 Topics Covered:
🔹 Standard Deviation (SD)

Meaning and importance

Methods: Direct, Short-cut & Step Deviation

Combined Standard Deviation

Merits and Demerits

Practical numericals for CUET PG

🔹 Skewness

Concept and types (Positive, Negative & Zero Skewness)

Karl Pearson’s Coefficient of Skewness

Bowley’s Coefficient of Skewness

Relation between Mean, Median & Mode

Numerical problems

🔹 Correlation Analysis

Meaning and significance of correlation

Types of correlation (Positive, Negative, Zero)

Scatter Diagram Method

Karl Pearson’s Coefficient of Correlation

Spearman’s Rank Correlation (with numericals)

Probable Error & Interpretation

🎯 Useful for:
✔ CUET PG M.Com 2026
✔ UGC NET Commerce
✔ B.Com / M.Com Exams
✔ Competitive Exams

📘 Statistics made easy with exam-oriented explanation and shortcuts.
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