Lecture T06

10 Março 2016, 13:30 • NICOLETTA ROSATI

Discussion of exercises no. 8 and 10 of the exercises sheet on interval estimation. End of interval estimation.

Parametric and non-parametric statistical hypotheses. Null and alternative hypotheses. Statistical test. Critical region. Simple and composite hypotheses. Type I and II errors. Size and power of a test.

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Lecture cancelled

8 Março 2016, 14:00 • NICOLETTA ROSATI

Lecture cancelled due to the ISEG Career Forum

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Practical P02

4 Março 2016, 13:30 • NICOLETTA ROSATI

Normal case: confidence interval for the difference of means, case of unknown equal variances. Large samples: intervals for mean and means difference for general, Bernoulli and Poisson distributions.

Examples. Discussion of exercises no. 5, 6 and 11 of the exercises sheet on interval estimation.

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Lecture T05

3 Março 2016, 13:30 • NICOLETTA ROSATI

Normal case: confidence interval for the mean: discussion of exercises no. 1, 2, 3 and 4 of the exercises sheet. Normal case: confidence interval for the difference of means, case of known variances.

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Lecture T04

1 Março 2016, 14:00 • NICOLETTA ROSATI

Introduction to interval estimation. Random interval, confidence interval and confidence level. Pivotal quantity. The pivotal method. Normal case: confidence interval for the mean, with known and unknown variance. Examples.

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