Q6: (4 points)What is the strategy of AdaBoosting for reweighing the training data points?

Use the report below from Community Hospital to calculate the ALOS for the OB/Gyn unit for this period. Round to one decimal place. Community Hospital July-December 20XX Unit Unit Bed Count Discharges Discharge Days Medicine 42 10,320 56,762 Oncology 20 4,906 22,624 Urology 10 936 2,798 OB/Gyn 30 3,100 18,388

The CPIs for 2023 and 2024 were respectively 105 and 110. What is the inflation for 2025 if the CPI for that year  is  115. Consider 2024 to be the base year.  

Good Samaritan Hospital is a 344-bed acute care facility.  As the Quality Manager, you are examining inpatient statistics for the month of April.  The hospital recorded 6 deaths and 876 live discharges in the month of April.  What is the gross (hospital) mortality rate for the month? Round to the nearest tenth.

Which of the following is true about nominal GDP? 

Q2: (6 points) Assuming we aim to build a more advanced recommendation system for an online bookstore using matrix factorization-based methods, similar to the one that won the Netflix prize. Suppose the global mean rating of books is 3.6 stars. Bob, a loyal customer, has rated 400 books, and his average rating is 0.3 stars higher than the global average rating. Meanwhile, Pride and Prejudice is a book in the bookstore that has 200,000 ratings, with an average rating that is 0.5 stars lower than the global average. What would be a baseline estimate of Bob’s rating for Pride and Prejudice? (2 points) Illustrate how you arrived at your answer. (2 points)

I acknowledge that all lecture exams in this course will be proctored using Honorlock. 

Calculate the gross autopsy rate using the information in the table below.  Express as a percent.  Round to two decimal places. Highland Hospital October-December, 20XX Discharges and deaths             Adults and children 1,070           Newborns 260 Deaths             Adults and children 31           Newborns 2 Inpatient autopsies 17 Coroner’s case (unavailable for autopsy) 3

Refer to figure below to answer this question. If the government instituted a price ceiling of $12 in this market,  

Q5: (6 points)Give a scenario that hard margin SVM doesn’t work well, and we need soft margin SVMs.