Which problem in prediction modeling is solved by the application of cross-validation? 

Report the regression coefficient for the c’ path, t-value, p-value, and confidence interval. For results with more than two decimal places, report answers to the third decimal place.  c’ path = , t () = , p = , 95% C.I. = [, ]

Referring to the figure below, the case marked with * indicates a case with high __________. 

For the linear relation between education years and total recall, interpret the intercept, slope, and 95% confidence interval for each.   Can you determine the statistical significance of the linear relation based only on the 95% confidence interval for education years?

Based on the sign the term eduyrssq, do you expect the shape to be concave up or concave down? Was this effect statistically significant? 

NGHE – Task 2 Expected time: 10 minutes You are working as a Fullbright teaching assistant in Ho Chi Minh City. Your high school students are asking you about studying in the US. You came across this brief news and want to share this information with them.  You will hear the recording twice. You may take notes as you listen. Then, fill in the table in English.  * Copy this table to the answer box and fill it out. Advantages of studying in the US based on students’ testimonials Facts about international students in the US  

ĐỌC – Task 1 Expected time: 15 minutes Your friend is going to work in Vietnam for 1 year and would like to take some cooking class on weekends. He/she found this review but didn’t quite understand so asked for your help.  Please answer his/her questions in English What information about these courses that potential learners should know before signing up?  Who are the primary clients of these cooking courses? 

EXTRA CREDIT [+4pts] * Copy this table to the answer box and fill it out List subjects of study/ majors  List jobs/ occupations List relatives/ people in the family List all words related to Tet          

VIẾT – Task 3 Expected time: 10 minutes B. Hãy chọn MỘT trong hai câu hỏi sau: 1) Hãy chọn MỘT danh nhân lịch sử và viết về họ. Họ đã làm gì? Cuộc đời của họ có gì đặc biệt? Tại sao em ngưỡng mộ và chọn người này? 2) Hãy viết về một khía cạnh (aspect) trong đời sống của một nền văn hoá nào đó (Mĩ, Việt Nam hoặc một nền văn hoá khác). Chọn một khía cạnh trong đời sống tinh thần, ví dụ tôn giáo – tín ngưỡng, hoặc giáo dục, hoặc việc làm.  Yêu cầu (Requirement): One paragraph 100-120 words Please carefully proofread after you finish Rubric: Task Achievement (How well you’ve answered the question): 2pts Lexical Range (How well you’ve incorporate topic vocabulary into writing): 2pts Cohesion and Coherence: .5pts Spelling and Punctuation: .5pts

Suppose the weighted voting system is given by [15: 10, 8, 6, 3] Determine the critical players in each winning coalition.​ ​ Critical players for {P1, P2, P3}: P1? [y1] P2? [n1] P3? [n2] Critical players for {P2, P3, P4}:  P2? [y2] P3? [y3] P4? [y4]