Parking at a large university has become a very big problem. University administrators are interested in determining the average parking time (e.g. the time it takes a student to find a parking spot) of its students. An administrator inconspicuously followed 250 students and carefully recorded their parking times. Identify the experimental unit of interest to the university administration
A) the 250 students that data was collected from
B) the parking time, defined to be the amount of time the student spent finding a parking spot
C) the entire set of students that park at the university
D) a single student that parks at the university
D
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The use of information technology to monitor and control a physical process is known as:
A) process control. B) computer-aided design. C) information numeric control. D) numeric control. E) IT oversight.
The volatility of Home Depot Share prices is 50% and that of General Motors shares is 50%. When I hold both stocks in my portfolio and the stocks returns have zero correlation, the overall volatility of returns of the portfolio is ________
A) more than 25% B) less than 50% C) more than 50% D) less than 25%