Statistics4th Sem

B.Sc. Statistics

Semesters

B.Sc. Statistics

4th Semester Syllabus

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MJC-5 : Statistical Inference (सांख्यिकीय अनुमान)

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Unit 1: UNIT I
Estimation: Problem of estimation
Properties of a good estimator
Unbiasedness
Consistency
Efficiency and sufficiency
Factorization theorem
Cramer-Rao inequality and MVB estimators (statement and applications)
Minimum variance unbiased estimator (MVUE)
Rao-Blackwell theorem
Unit 2: UNIT II
Methods of Estimation: Method of moments
Method of maximum likelihood and minimum chi square
Properties of maximum likelihood estimators and minimum chi square (without proof)
Unit 3: UNIT III
Confidence interval: Confidence interval for mean
Proportion and variance
Bayesian Estimation: Loss function
Prior distribution
Bayes theorem
Posterior distributions
Bayes risk
Bayes principle
Bayes estimators
Unit 4: UNIT IV
Testing of hypothesis: Null and alternative hypotheses
Simple and composite hypotheses
Type-I and Type-II errors
Critical region
Level of significance
Size and power of a test
Best critical region
Most powerful test
Uniformly most powerful test
Neyman Pearson Lemma (statement and applications to construct most powerful test)
Likelihood ratio test
Properties of likelihood ratio tests (without proof)
Reference Books:
  • Gupta, S. C. and Kapoor, V. K. (2020): Fundamentals of Mathematical Statistics, S. Chand & Sons, New Delhi.
  • Goon A.M., Gupta M.K. and Dasgupta B. (2002): Fundamentals of Statistics, Vol. I & II, The World Press, Kolkata.
  • Rohatgi V. K. and Saleh, A.K. Md. E (2009): An Introduction to Probability and Statistics, John Wiley and Sons.
  • Mood A.M, Graybill F.A. and Boes D.C.: Introduction to the Theory of Statistics, McGraw Hill.