1. Course page is on line (Feb.13)
  2. Quiz 1 Result (Mar.11)
  3. RHW1 updated on Mar.17 at 18:25.
  4. Midterm Exam Coverage: From the beginning till the end of p-value. Bring your calculator.
  5. Quiz 2 Result (April 3)
  6. Quiz 2 Answer (April 5) Since the ansewrs to Quiz 1 was discussed in the class, I will not post one.
  7. Midterm Result (April 12)
  8. Quiz 3 Result (May 10)
  9. Make Up Exam for the Midterm is on May 17th (Thursday) at 10am. Come to my office. E-mail me if you are taking the exam. (May 11)
  10. Quiz 4 Result (May 17)
  11. Quiz 5 Result (May 21)
  12. Final Exam Result (June 7) You can come to my office to check your exam paper tomorrow (Friday) morning, until 12:00 noon. Do not send me e-mails stating "I got the score which is lower than I expected. Check my paper again". Come by yourself to check.
  13. Midterm Exam Makeup Result (June7)


RHW2 Instruction, data: gifted, hsb2, murders,

References: reference_inference1, reference_inference2,reference_regression

Attachment: Honor Code, Contribution Sheet


RHW1 Instruction, data, reference 1, reference 2, plot_ci, Honor Code, Contribution Sheet

Quiz Questions

Quiz 1; Quiz 2; Quiz 3; Quiz 4; Quiz 5

Lecture Notes

Week 1: Introduction: Ch.4 Sampling Distribution of Sample Means <data yrbss; code: random samples >

Week 2: Ch.4 Sampling Distribution of Samples Means (cont'd)

Week 3: Acceptance Interval; Sampling Distribution of Sample Variance

Week 4: Sample Proportion; Unbiasedness, Consistency and Efficiency

Week 5: Confidence Interval

Week 6: Hypothesis Testing 1 (known population mean)

Week 7: p-value

Week 9: Confidence Interval (difference in two population means)

Week 10: Hypothesis Testing (difference in two population means)

Week 11: Hypothesis Testing (p-value, type II error, difference in two population proportions)

Week 12: Regression Analysis 1

Week 13: Regression Analysis 2

Week 14: Regression Analysis 3


Webpage which could be useful for data management.



Practice Questions

Chapter 6   Questions/Answers

Chapter 7   Questions/Answers <part1><part2>

Chapter 8   Questions <part1> <part2>/ Answers <part1><part2>

Chapter 9   Questions/ Answers

Chapter 10 Questions/Answers

Chapter 11 Questions/Answers part1/part2