Lecture 3 and 4

Tuesday 21 Jan. First go through Question B in the posted "first exercise set". Then a remark on Chaper 3.5 i SW (Differenences of means).

After that: The regression model: References: Ch 4 and 17 in SW. Kap 2, 3 and 5-5.8 in BN. Continuing on Thursday 23 Jan.

RNy