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Speed of train = (Length of train + Length of Platform)/Required time Length of train = 300 m Crossing time of platform = 3 × 60 = 180 sec Length of platform = 300 × 2 = 600 m Let the speed of train be x. Speed of train = (300 + 600)/180 ⇒ x = 5 m/s
Criterion in environmental project evaluation
Autocorrelation violates which assumption of CLRM?
Any straight-line supply curve that has a positive horizontal intercept has an elasticity of supply
To gauge the sacrifice made by a taxpayer, we should use the _____ tax rate.
If the correlation between x and y is 0.6 covariance is 27, variance of y is 25, then what is the variance of x?
Assume that there are equal numbers of male and female students in a university. Of all male students, 10 per cent major in economics; and of ...
If coefficient of correlation rxy= 1, then
If the regression coefficients of x on y and y on x are -1/4 and -1/9 respectively, then what is the correlation coefficient between x and y?
You are given the following data for national economy of a country Y:
Equilibrium GDP is $6000 million.
MPC is 0.8
It is considered...
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 chea...
