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

A. Product

B. Production

C. Pricing

D. Distribution

Câu 2: 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

Câu 3: Problem identification research is undertaken to:

A. Help identify problems that are not apparent on the surface and yet exist or may exist in the future

B. Develop clear, concise marketing segments

C. Help solve specific research problems

D. Establish a procedure for development of a primary research plan

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: Khi mô hình có Phương sai sai số thay đổi thì?

A. Ước lượng bình phương nhỏ nhất là ước lượng tuyến tính không chệch và là ước lượng hiệu quả

B. Kiểm định T và F vẫn tin cậy

C. Ước lượng phương sai là ước lượng không chệch

D. Ước lượng phương sai là ước lượng chệch

Câu 6: Which among the following is not a noncomparative scaling technique?

A. Likert

B. Stapel

C. Semantic differential

D. Rank order