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620-370 Statistics for Mechanical Engineers

Course Material

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You can email Ray Watson at rayw@ ms.unimelb.edu.au

For tutorial consultation times for 620-370, see Mathematics and Statistics Learning Centre consultation hours.

Additional Notes Homework Answers to Homework
Introduction Problems Answers to the Problems
Plagiarism Declaration Homework 1 Homework Answers 1
Errata: 2008 notes Homework 2 Homework Answers 2
Errata: 2009 notes Homework 3 Homework Answers 3
SSLC report Homework 4 Homework Answers 4
  Homework 5 Homework Answers 5
Data for Homework 6 Homework 6 Homework Answers 6
  Homework 7 Homework Answers 7
By-hand anova computation Homework 8 Homework Answers 8
  Homework 9 Homework Answers 9
  Homework 10 Homework Answers 10
  Homework 11 Homework Answers 11
  NotHomework 12 NotHomework Answers 12
Summary Notes Revision Problems Answers to Revision Problems
Statistical Tables Last Year's Exam Last Year's Exam Answers


Lecture Topics     (approximate; subject to minor changes)
0. Introduction 1 General introduction: admin, summary, quality
1. Probability and Probability Models 2 Probability: basics, conditional probability, law of total probability, Bayes' theorem
3 Independence; reliability; independent trials, geometric distribution
4 Bernoulli trials: binomial distribution, negative binomial distribution
5 Sampling without replacement, hypergeometric distribution; acceptance sampling
6 Markov chains and simple applications
7 Poisson process and applications
2. Random variables, Distributions and Applications 8 Random variables: cdf, pmf and pdf
9 Random variables: quantiles, expectation; measures of location and spread
10 Mean and variance, approximations; exponential distribution, gamma distribution
11 Failure models, Weibull distribution; uniform distribution; normal distribution
12 Normal distribution and applications. Extreme Value distribution.
3. Descriptive Statistics and Exploratory Data Analysis 13 Descriptive statistics; dotplot, order statistics, boxplot, measures of location and spread
14 Descriptive statistics: sample distribution, sample cdf and QQ plots
15 QQplot applications; Probability plot; generalisations
4. Estimation and Confidence Intervals 16 Estimation. Introduction. Point and interval estimation. Methods of estimation.
17 Maximum likelihood estimation. Confidence intervals. t-distribution, c2 distribution.
18 Confidence intervals and Prediction intervals. Likelihood-based confidence interval.
5. Hypothesis Testing and Control Charts 19 Hypothesis testing: introduction and terminology
20 Hypothesis testing: examples, discrete case, more examples
21 Likelihood ratio test. Sequential testing. Control charts introduction
22 Control charts for location, for variation; for attributes, for non-conformities
6. Inference for Normal Populations 23 Inference for normal populations review. Comparative inference)
24 Comparison of two normal populations. F-distribution. Comparing variances
25 Comparison of two normal populations: comparing means.
26 Comparison of k normal populations, one-way anova
27 Two-way anova, additive model: introduction and examples
28 Two-way anova, m observations/cell: model with interaction
7. Design and Analysis of Experiments 29 Design and analysis of experiments: principles, simple designs
30 Factorial experiments: introduction, case-study, examples
31 Factorial experiments: blocking, partial replication
8. Linear Regression and Prediction 32 Regression: introduction, estimation
33 Regression: inference, confidence intervals, prediction intervals and hypothesis testing
34 Correlation: estimation and inference. Multiple linear regression: introduction
35 Multiple linear regression: examples and applications
9. Revision 36 Revision: exams old and new.


This subject encompasses particular generic skills. On completion of the subject, students should be able to:
  • analyse standard data sets, interpreting the results of such analysis and presenting the conclusions in a clear and comprehensible manner; and to deal with non-standard data sets in a sensible way;
  • understand a range of standard statistical methods which can be applied to engineering contexts,and particularly in relation to quality management;
  • solve a range of statistical problems, through the weekly tutorial exercises;
  • think critically, and organize knowledge, through dealing with the lecture material.

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