### AHSEC – CLASS 12

BUSINESS MATHEMATICS AND STATISTICS – ALL AT ONE PLACE

BY KUMAR NIRMAL PRASAD

2. IMPORTANT QUESTIONS (YOUTUBE)

3. CHAPTER WISE NOTES (S.Chand Book)

Unit II: Matrix and Determinants

4. PAST EXAM QUESTION PAPERS AND SOLUTIONS

5. VIDEO LECTURES:

Unit 1 (A): Simple Interest

Unit 1 (B): Compound Interest

Unit 1 (C): Annuities

Unit 2: Inequalities, Binomial Theorem, Induction and Permutation and Combination (Coming Soon)

Unit 3 (A): MATRICES

3. MULTIPLICATION OF TWO MATRICES

Unit 3 (B): DETERMINANTS

Unit 3 (C): Set theory (Coming Soon)

Unit 4: MEASURE OF CENTRAL TENDENCY

1. INTRODUCTION TO MEASURE OF CENTRAL TENDENCY

1. CALCULATION OF MEAN (ALL SERIES)

2. CALCULATION OF MEDIAN: A. INDIVIDUAL AND DISCRETE SERIES B. CONTINUOUS SERIES

3. CALCULATION OF MODE: A. INDIVIDUAL AND CONTINUOUS B. DISCRETE SERIES

4. MISSING FREQUENCY: A. MEAN B. MEDIAN C. MODE

5. CALCULATION OF GEOMETRIC MEAN

6. CALCULATION OF HARMONIC MEAN

7. RELATIONSHIP BETWEEN AM,GM AND HM

8. PARTITION VALUES: A) INDIVIDUAL B) DISCRETE C) CONTINUOUS

9. RELATIONSHIP BETWEEN MEAN, MEDIAN AND MODE

Unit 5: DISPERSION

1. CALCULATION OF RANGE AND ITS COEFFICIENT

2. CALCULATION OF M.D. ABOUT MEAN

3. CALCULATION OF M.D. ABOUT MEDIAN

4. CALCULATION OF QUARTILE DEVIATION: A) INDIVIDUAL B) DISCRETE C) CONTINUOUS

5. STANDARD DEVIATION/VARIANCE/C.V.

Unit 6: CORRELATION ANALYSIS

1. INTRODUCTION TO CORRELATION ANALYSIS

2. ACTUAL MEAN / PRODUCT MOMENT / COVARIANCE METHOD

5. SPEARMAN’S RANK CORRELATION

6. ALL FORMULAS OF CORRELATION ANALYSIS

7. CORRECT CORRELATION (SPECIAL VIDEO)

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