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.

Q3: (3 points) Answer True or False only: In Boosting, the performance of the final model heavily depends on the performance of the individual weak learners.

Carlisle Community Hospital is a 324-bed hospital in Edgewater, PA.  During 20XX,  the hospital reported 400 live births and two maternal deaths after abortions. What is the maternal mortality rate? Report the rate to the nearest tenth per 100,000.

Which Excel tool allows you to substitute different input values and immediately see the impact on outputs?

Calculate the C-section rate based on the information in the table below. Express as a percent. Round to two decimal places. Community Hospital  Obstetrics Service October 20XX Obstetrics admissions 153 Obstetrics discharges                        Delivered 146                      Not delivered 5                      Aborted 2 Vaginal Deliveries 125 C-Sections 21

The file Dow_data.xlsx contains monthly returns on 10 Dow stocks during a 20-year period. Which stock has the smallest inter-quartile range?

Q6: (15 points)In bipartite ranking, documents are grouped into a “relevant (+)” set and a “non-relevant (–)” set. Since relevant documents should appear earlier than non-relevant documents, the ranking error is given by: Total number of disordered pairs/Total number of item pairs between the relevant set and the non-relevant set. Below are a list of documents and their golden-standard relevance labels, the prediction results of a ranking model, and the prediction results of a binary classification model. Please calculate the bipartite ranking error and the binary classification error.​   Document ID Golden-standard relevance labels The predicted scores of the ranking model The predicted labels of the classification models D1 – 0.91 + D2 – 0.82 + D3 + 0.73 + D4 + 0.64 + D5 + 0.55 + D6 + 0.46 + D7 – 0.37 – D8 – 0.28 –

Calculate the net autopsy rate using the information in the table below.  Express as a percent.  Round to two decimal places. Bayside Hospital April-June, 20XX Discharges and deaths             Adults and children 1,070           Newborns 260 Deaths             Adults and children 31           Newborns 2 Inpatient autopsies 15 Coroner’s case (unavailable for autopsy) 3

Q4: (3 points) Answer True or False only: In AdaBoosting, subsequent decision stumps are trained by reweighing misclassified samples of the previous decision stumps. In this way, weak learners are combined parallelly to create a strong learner.

The file Dow_data.xlsx contains monthly returns on 10 Dow stocks during a 20-year period.  Create a box and whisker chart and identify which of the following statements is correct.