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Practice Research Questions and Answers

Park Test is used for which of the following?
If rxy = 0.4, then r(2x, 2y) is equal to:
For the regression line of y on x, 2x+7y+32=0, find the value of byx.
If a constant 60 is subtracted from each of the values of X and Y, then the regression coefficient is
An event in the probability that will never be happened is called as -
What will be the value of P(not E) if P(E) = 0.07?
Given two lines of regression x+3y=11 and 2x+y=7. Find the coefficient of correlation between x and y.
What is the standard deviation of first n natural numbers?
If the demand is 100 during October 2016, 200 in November 2016, 300 in December 2016, 400 in January 2017. What is the 3-month simple moving average for Fe...
If X and Y are independent random variables and Var(X)=Var(Y)=4, then find Var(2X-3Y+1)?
Given x=2y+4 and y=kx+6 are the lines of regression of x on y and y on x respectively. Find the value of k if value of r is 0.5.
What is the probability of getting the sum as a prime number if two dice are thrown?
If the R2 value for a regression line is 0.70 for 50 observations. What is the adjusted R-square value if the number of independent variables are 9?...
If price of all commodities rise in the same proportion then,
Let X and Y be two related variables. The two regression lines are given by x-y+1=0 and 2x-y+4=0. The two regression lines pass through the point:
Judging from the figure, a person that chooses to consume bundle C is likely to ...
A firm finds that for the product it produces, its (own) price elasticity of demand is 4. Currently, the firm is selling 1000 units per month at Rs. 5 per ...
Oligopolies can end up looking like competitive markets if the number of firms is
When a firm operates with excess capacity
Since the 1980s, Wal-Mart stores have appeared in almost every community in America. Wal-Mart buys its goods in large quantities and, therefore, at cheaper...
To gauge the sacrifice made by a taxpayer, we should use the _____ tax rate.
In a market economy
Comparative advantage is based on
Economists generally believe that making assumptions is
A rational decision maker does which of the following?
What do you mean by ‘under conditions of a perfect competition in the product market’?
As the degree of product differentiation increases among the products sold in a monopolistically competitive industry, which of the following occurs?
If you have found the percentage of the value of sales accounted for by the four largest firms in an industry, you have found the
If a tax is placed on the product in this market, tax revenue paid by the buyers is the area ...
The graph that shows the relationship between the size of a tax and the tax revenue collected by the government is known as a
If a tax on a good is doubled, the deadweight loss from the tax
Which of the follow statements about price discrimination is not true?
If the economy is operating at point C, the opportunity cost of producing an additional 20 units of bacon is ...
The profit-maximizing monopolist will choose the price and quantity represented by point ...
A two-person zero-sum game means that the
Consider the game: Let p=probability prey is active and q=probability Predator is active. What is the mixed strategy Nash equilibrium for the game? ...
Consider a bargaining game: Find pure strategy Nash equilibrium.
In the standard IS-LM model, an increase in Government spending (G) without changing taxes has
Consider a fractional reserve banking system with a legally required reserve-deposit ratio of m. Suppose that an individual deposits ID dollars in one bank...

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