Câu hỏi: Suppose that a researcher wanted to obtain an estimate of realised (“actual”) volatility. Which one of the following is likely to be the most accurate measure of volatility of stock returns for a particular day?

A. The price range (high minus low) on that day

B. The squared return on that day

C. The sum of the squares of hourly returns on that day

D. The squared return on the previous day

Câu 1: Which among the following is not comparative scaling technique?

A. Rank order

B. Constant sum scale

C. Q-sort

D. Stapel scale

Câu 2: Executive summary should involve all of the following, except:

A. Why and how the research was carried out

B. What was done to manage fieldworkers

C. What was found

D. What can be interpreted and acted upon by the manager

Câu 3: Cho mô hình hồi quy:

A. Y là tiêu dùng , X là thu nhập của một người

B. Y là doanh số bán bia Hà Nội, X là giá bia Sài Gòn

C. Y là mức cung một loại hàng, X là giá loại hàng đó

D. Y là mức cầu một loại hàng, X là giá của loại hàng đó

Câu 4: The interval scale possesses all of the below properties, except:

A. Order

B. Distance

C. Origin

D. All of the above

Câu 5: The process of marketing involves all of the following EXCEPT:

A. Product

B. Production

C. Pricing

D. Distribution

Câu 6: Which of the following would represent the most appropriate definition for implied volatility?

A. It is the volatility of the underlying asset’s returns implied from the price of a traded option and an option pricing model

B. It is the volatility of the underlying asset’s returns implied from a statistical model such as GARCH

C. It is the volatility of an option price implied from a statistical model such as GARCH

D. It is the volatility of an option price implied from the underlying asset volatility