Bachelor of Arts in Economics (BA Economics)

Scatter diagram is

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Question:

Scatter diagram is

A.

mathematical method of finding out correlation

B.

positional method of finding out correlation

C.

graphic method of finding out correlation

D.

none of the above

Answer» c. graphic method of finding out correlation

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

The grades that a random sample of BA students received over the last five years inQuantitative Techniques examinations represent what statistical concept

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Question:

The grades that a random sample of BA students received over the last five years inQuantitative Techniques examinations represent what statistical concept

A.

the grades are a parameter

B.

the grades are a statistic

C.

the grades are a sample

D.

the grades are a population

Answer» c. the grades are a sample

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

An initial estimate of an optimal solution is given to be used in conjunction with thesteepest ascent method to determine the maximum of the function. Which of the following statements is correct?

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Question:

An initial estimate of an optimal solution is given to be used in conjunction with thesteepest ascent method to determine the maximum of the function. Which of the following statements is correct?

A.

the function to be optimized must be differentiable.

B.

if the initial estimate is different than the optimal solution, then the magnitude of the gradient is nonzero.

C.

as more iterations are performed, the function values of the solutions at the end of each subsequent iteration must be increasing.

D.

all 3 statements are correct.

Answer» d. all 3 statements are correct.

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

Union of A with B is same as union of B with A, that is, A U B = B U A is termed as

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Question:

Union of A with B is same as union of B with A, that is, A U B = B U A is termed as

A.

associative law of union

B.

cumulative law of union

C.

reflective law

D.

all the above

Answer» b. cumulative law of union

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

If the supply curve for labor is backward bending, and if the wage of a worker increases,she might choose to work:

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Question:

If the supply curve for labor is backward bending, and if the wage of a worker increases,she might choose to work:

A.

fewer hours per week, since she can earn the same income working fewer hours

B.

more hours per week, since she can earn the same income working fewer hours

C.

fewer hours per week, since every hour of leisure is cheaper than before

D.

more hours per week, since she needs to work more hours to earn the same income

Answer» a. fewer hours per week, since she can earn the same income working fewer hours

Note: The above multiple-choice question is for all general and Competitive Exams in India.