Create a new R Project in a separate folder. Load the West Roxbury dataset from Canvas and using the console, find the dimensions of the R object and display the first six rows of the dataset. Take a screenshot of the whole R window showing you’re working in a new R project and the console displaying the R commands and the results.

Depending on the area of the body being examined with a fluoroscopic image intensification system, a range of ______ kVp is generally used for adult patients.

Consider an US-based foundation with spending rate of 3 percent and cost of earning investment returns has averaged 50 basis points annually. The asset allocation and the set of capital market expectations are shown below.  The expected long-term inflation rate is 2.5 percent. Table 3 Capital Market Expectations Asset class E(ri) si Correlations A B C D A US equities 9% 18% 1       B Ex-US equities 8 14 0.60 1     C US bonds 4 8 0.30 0.20 1   D Real estate 1 7 0.50 0.40 0.10 1    Table 4 Corner portfolios Portfolio E(rp) sp Sp wi A B C D 1 9.0% 18.0% 0.39 100% 0% 0% 0% 2 7.9 16.7 0.35 65 35 0 0 3 7.5 15.4 0.38 37 53 0 10 4 5.0 12.4 0.36 0 25 43 32 5 4.6 10.1 0.32 0 11 55 34 What is the foundation return requirement in percent?

Copy and paste a screenshot of the RStudio work directory showing the hidden .RData image file.

If 1,000 people receive an average EfD of 0.10 Sv, what is the ColEfD? Your answer should include the unit.

A pension portfolio manager is about to upgrade his performance calculation software. Currently, his performance software will only calculate his performance on a quarterly basis. The quarterly performance numbers calculated on a money-weigh ted rate-of- return basis for the year 2017 are shown below. The portfolio benchmark has annual return of 4.2 percent and the market index has a return of 3.4 percent.            QUATER                 RETURN             1                               5.35%             2                               -2.34%             3                               4.62%             4                               1.25%   Calculate the rate of return for 2017

_______ are established by health care facilities to trigger an investigation to uncover any abnormal exposure received by individual staff members.

BONUS: Which of the following is essentially the sum total of air kerma over the exposed area of the patient’s body surface?

Suppose an analyst is valuing two markets. Market A is a developed market, and Market B is an emerging market. The investor’s time horizon is five years. The other pertinent facts are:   Measure Value Sharpe ratio of the global portfolio 0.29 Standard deviation of the global portfolio 8% Risk-free rate of return 4.5% Degree of market integration for Market A 80% Degree of market integration for Market B 65% Standard deviation for Market A 18% Standard deviation for Market B 26% Correlation of Market A with global portfolio .87   Correlation of Market B with global portfolio .63   Estimated illiquidity premium for A 0   Estimated illiquidity premium for B 2.4   Referring to Table: What is the expected return in each market?

Which of the following increases the radiographer’s risk of exposure to ionizing radiation compared to generaldiagnostic radiography performed in an x-ray room?Mobile C-arm fluoroscopyInterventional procedures that use HLCFMobile radiographic exams