Problem set 1
Upload your answers through the Assignments tab on Canvas by 5 pm,
Thursday 1st September.
1. For each of the following scientific questions, state whether the question is best answered
using a randomized experiment or an observational
Problem set 2
Submit your answers on paper by the beginning of class, Thursday 8th
1. A statistics class contains 35 students: 11 undergrads and 24 grad students. Of the undergraduates, 4 are female and 7 and male. Of the grad students, 5