lecture

29 Abril 2024, 13:30 • Adriana Cornea-madeira

We derived the OLS estimates (by minimizing the sum of squared residuals), and illustrated in Excel how to compute the OLS estimators.

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lecture

24 Abril 2024, 13:30 • Adriana Cornea-madeira

We continued to discuss about tests for the difference of two populations' means with known, unknown variance (assumed equal or not), for the difference of two proportions and two variances, with some examples in each case.

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lecture

22 Abril 2024, 13:30 • Adriana Cornea-madeira

We discussed about tests for the variance. We then started to discuss about testing for the difference between two populations' means, with some simple examples.

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Lesson 9

18 Abril 2024, 15:30 • Ricardo Pinto Moura

Exercises: 9.17, 9.37 a), 9.38 a), 9.41 b), 9.69 b)

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Lesson 9

18 Abril 2024, 13:30 • Ricardo Pinto Moura

Exercises: 9.17, 9.37 a), 9.38 a), 9.41 b), 9.69 b)

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