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Statistical Inference


Unit code: MATH38001
Credit Rating: 10
Unit level: Level 3
Teaching period(s): Semester 1
Offered by School of Mathematics
Available as a free choice unit?: N

Requisites

Prerequisite

Additional Requirements

Please note

Students are not permitted to take more than one of MATH38001 or MATH48001 for credit in the same or different undergraduate year.

 

Students are not permitted to take MATH48001 and MATH68001 for credit in an undergraduate programme and then a postgraduate programme.

 

Note that MATH68001 is an example of an enhanced level 3 module as it includes all the material from MATH38001

 

When a student has taken level 3 modules which are enhanced to produce level 6 modules on an MSc programme taken within the School of Mathematics, then they are limited to a maximum of two such modules (with no alternative arrangements available otherwise)

Aims

This course unit aims to introduce students to the principles of efficient estimation and hypothesis testing and acquaint them with the more successful methods of estimation and of constructing test procedures.

Overview

Statistical Inference is the body of principles and methods underlying the statistical analysis of data. In this course we introduce desirable properties that good estimators and hypothesis tests should enjoy and use them as criteria in the development of optimal estimators and test procedures.

Learning outcomes

On successful completion of this course unit students will be able

  • to determine how good an estimator or test procedure is on a number of criteria;
  • to construct estimators and test procedures based both on the maximum likelihood principle.

Assessment Further Information

End of semester examination: two hours weighting 100%

Syllabus

 

  • Estimation: point estimation; unbiasedness; mean squared error; consistency; the score function; Fisher information; Cramer-Rao inequality; efficiency; most efficient estimators; sufficiency; factorisation theorem; minimal sufficiency; Rao Blackwell theorem and its use in improving an estimator.[8]
  • Methods of estimation: maximum likelihood estimators (m.l.e) and their asymptotic properties; asymptotic distribution of the score function; confidence intervals based on the m.l.e and on the score function; restricted m.l.e and asymptotic properties.[7]
  • Hypothesis testing: Wald test; the generalised likelihood ratio test; asymptotic form of the generalised likelihood ratio test; multinomial test; Pearson Chi-squared statistic; the Deviance function (including graphical methods in obtaining confidence regions for parameters). [9]

 

Recommended reading

  • Beaumont, G. P., Intermediate Mathematical Statistics. Chapman & Hall 1980.
  • Cox, D. R. and Hinkley, D. V., Theoretical Statistics. , Chapman & Hall 1974.
  • Lindgren, B. W. Statistical Theory, 4th edition, Chapman & Hall 1993.
  • Mood, A. M., Graybill, F. A. and Boes, D. C., Introduction to the Theory of Statistics, 3rd edition, McGraw-Hill 1974.
  • Silvey, S. D., Statistical Inference, Chapman & Hall 1075.

Feedback methods

Feedback tutorials will provide an opportunity for students' work to be discussed and provide feedback on their understanding.  Coursework or in-class tests (where applicable) also provide an opportunity for students to receive feedback.  Students can also get feedback on their understanding directly from the lecturer, for example during the lecturer's office hour.
 

Study hours

  • Lectures - 22 hours
  • Tutorials - 11 hours
  • Independent study hours - 67 hours

Teaching staff

Yang Han - Unit coordinator

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