Here is a
Practice Exam and its Solution.
Practice problems from Chapter 6: Problems 1, 2, 4, 11, 13 from Scanned pdf. For 13, also find out the Method of Moments estimator of θ. Here are the solutions.
Practice problems from Chapter 7: Problems 1, 5, 7, 8, 13 from Scanned pdf. For 13, what assumptions are you making about the distribution of CO2 level?
Formula (7.5) gives the 100(1-α)% CI for the mean μ of a normal population (when σ is known) that we have derived in class. Here are the solutions.
Practice problems from Chapter 8: Problems 6, 7, 10, 18, 19 from Scanned pdf (Q10 slightly updated: at 7:30pm on 07/31). Here are the solutions.
Practice problems from Sections 7.3 and 8.3 (Ed.9) based on t distributions: Problems 30, 31, 32, 34, 35, 16, 20, 21, 23, 24 from Scanned pdf. Use 95% level intervals for 35(a) and 35(b). Use a significance level of 0.05 for 24. Here are the solutions (Slightly updated: at 7:30pm on 07/30).