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Practice Research Questions and Answers

In classical linear regression model if we add in 90 in X and Y observation and re-estimate the regression model then slope coefficient
In a frequency distribution the last cumulative frequency is 500. Q3 must lie in?
Type II error occurs when
If coefficient of correlation rxy= 1, then
The credit manager at a Departmental store collects data on 100 of her customers. Of the 60 men, 40 have credit cards (C). Of the 40 women, 30 have credit ...
The credit manager at a Departmental store collects data on 100 of her customers. Of the 60 men, 40 have credit cards (C). Of the 40 women, 30 have credit ...
An oil exploration company intends to drill an exploratory well in each of two geologically unrelated regions A and B. If the probability of finding oil in...
Two mutually exclusive events
A researcher has to consult a recently published book. The probability of it being available is 0.5 for library A and 0.7 for library B. Assuming the two e...
If it rains a dealer in raincoats can earn Rs. 400 per day. If it is a fair day he loses Rs. 80 per day. What is his expectation if the probability of a fa...
The last period’s forecast was 70 and demand was 60. What is the simple exponential smoothing forecast with alpha of 0.4 for the next period? ...
Let X and Y represent prices in Rs of a commodity in Kolkata and Mumbai respectively. It is given X(bar) = 65, Y(bar) = 67, standard deviation of X = 2.5, ...
If X(bar) = 25, Y(bar) = 120, bxy = 2. Find the value of X when Y=130?
Which of the following is not an example of market failure?
What will happen when supply elasticity is less than demand elasticity?
For a monopoly firm, which of the following equalities is always true?
For any given price, a firm in a competitive market will maximize profit by selecting the level of output at which price intersects the
Employing a lawyer to draft and enforce a private contract between parties wishing to solve an externality problem is an example of a(n) ______________cost
The government provides public goods because
Within a country, the domestic price of a product will equal the world price if
Claudia would be willing to pay as much as $100 per week to have her house cleaned. John's opportunity cost of cleaning Claudia’s house is $70 per we...
Market failure is the inability of
According to the graph on the right, the equilibrium price in the market before the tax is imposed is ...
If demand is price inelastic, then
With fixed costs of $400, a firm has average total costs of $3 and average variable costs of $2.50. Its output is:
The 2nd phase (diminishing returns to a factor) is exhibited by the following total product sequence:
Crusoe begins with an endowment A. Point R is the consumption combination he would choose at real interest rate r and point R´ is the consumption c...
Consider the game: What is the dominant strategy of the game?...
Two people enter a bus. Two adjacent cramped seats are free. Each person must decide whether to sit or stand. Sitting alone is more comfortable than sittin...
Guess an even integer between 1 and 100 that is closest to 1/2 of the mean of the guesses, what will be the equilibrium in that case?
A profit-maximizing monopolist sets an output of 100 per day and a price of £10. Which of the following statements is true?
A profit-maximizing monopolist finds that if it remains open, the best output is 50 a week, but at this output it would make a loss. Under what circumstanc...
On a graph for a monopolist or monopolistic competitor, which of the following curves coincide?
N people guess an integer between 1 and 100, and the winner is the player whose guess is closest to 2 times the mean of the guesses. What is the equilibriu...
Consider the matching-pennies game: Let p= probability Player 2 plays left, q= probability Player 1 plays left. Find the mixed-strategy equilibrium....
In a government budget, revenue deficit is Rs. 50000 crores and borrowing are Rs. 75000 crores. The fiscal deficit will be:
'Distributed Profits' is also known as:
If factor cost is greater than Market price, then it means that:
In a small open economy with a floating exchange rate, the supply of real money balances is fixed and a rise in government spending ______

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