Welcome to the Course Page of STA 4322 / STA 5328

Instructor

• Xueli (Shirley) Liu

Lectures: T, 1^st period (7:25 am-8:15 am); TR, 1^st -2^nd periods, room 0121 Little Hall

• Office Hours:

Room 101 C, Griffin-Floyd Hall; T, 8:20 am- 9:20 am; TR: 9:20 am-10:20 am

Teaching Assistant

• Ms. Chen Li
• Office Hours:

Room 218, Griffin-Floyd Hall; Phone: 273-2988; Email: lichen@stat.ufl.edu

M & W: 12:50 pm- 1:40 pm

Syllabus

Suggested Homework Problems

· Chapter 2: 3, 11, 21, 30, 45, 55, 57, 67

· Chapter 4: 5, 16, 21, 22, 31, 50

· Chapter 5: 1, 5, 17

· Chapter 6: 5, 6, 10, 11

· Chapter 8: 4, 5 (a)-(c), 7 (a)-(c), 13, 17, 19, 21, 29, 33, 34, 47, 49, 55, 69, 71

· Chapter 9: 2, 5, 7, 9, 10, 23, 26, 41, 43, 44. (2, 5, 7, 9, 10, 15, 18, 31, 33, 34 if you use 2^nd edition)

· Chapter 11: 1, 2, 3, 6, 15, 32, 33 (1, 2, 3, 6, 15, 30, 31 if you use 2^nd edition)

· Chapter 12: 3, 5, 6, 7, 10, 16, 18 (3, 5, 6, 7, 10, 14, 16 if you use 2^nd edition)

Solution to even number problems

· Chapter 2: Q30 (a) P(k)=μ^ke^-μ/k!, μ=3.96, 3 is most probable (b) 0.003

· Chapter 4: Q16 (see solution of quiz1 problem 2); Q22 0.25; Q50 Cov(S,T)= σ²n(n+1)/2, ρ(S,T)=.5(n+1)/sqrt[(n+1)(2n+1)]

· Chapter 6: Q6: T=Z/sqrt(V/n) where V is chi-square(n), so T²=Z²/(V/n). And Z² is chi-square(1), so T²~F_1,n; Q10 Using the fact that (n-1)S²/ σ²~chi-square(n-1), P((n-1)a<chi-square(n-1)<(n-1)b)

· Chapter 8: Q4(a). 5/12 (b) 0.17 (c) proportional to θ⁵(1-θ)⁵ (d) 0.16 (e) beta(6,6); Q34 (a) μhat=3.61, σ²hat=3.2 (b) (2.8, 4.4) (2.6, 4.6) (2.2, 5.0) (c) (2.1, 7.1) (1.9, 8.2) (1.6, 11.1) (d) n=52

· Chapter 9: 2. S, S, C, C;26. T, F, T, F, F, F; 44. Reject H0

· Chapter 11: 2. Half the Standard deviation; 32.Φ((u_y-u_x)/sqrt(σ_x²+ σ_y²)) with Φ being the cdf of N(0,1).

Quiz1 Quiz2 Exam1 Quiz3 Quiz4 Exam2 Quiz5

Exams

• Midterm 1, September 30, in class
• Midterm 2, November 4, in class
• Final exam (TBA)

Back to Home