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To what extent do you agree or disagree with the following statements about the paper by Evans and Schwab?
(a) The paper demonstrates causation using the data: Catholic schools have an effect on student graduation rates, other things being equal.
(b) The paper assumes causation: Catholic schools have an effect on student graduation rates, other things being equal. The paper assumes a specific functional form to implement the idea of causation and other things being equal-the probit model. The paper uses the data to estimate the size of the Catholic school effect.
(c) The graduation equation tests for interactions among explanatory variables in the selection equation.
(d) The graduation equation assumes there are no interactions.
(e) The computer derives the bivariate probit model from the data.
(f) The computer is told to assume the bivariate probit model. What the computer derives from the data is estimates for parameters in the model.
A sound wave with intensity 40 mW/m2 interferes constructively with a sound wave that has an intensity of 13 mW/m2. What is the intensity of the superposition of the two
A .430 kg block of wood hangs from the ceiling by a string, and a 7.10 x 10^-2 kg wad of putty is thrown straight upward, How high does the putty-block system rise above the original position of the block
An electron is accelerated from rest by a potential difference of 440 V. It then enters a uniform magnetic field of magnitude 220 mT with its velocity perpendicular to the field. Calculate the radius of its path in the magnetic field
q1. a pet-store supply truck moves at 25ms north along a highway. inside a dog moves at 1.85ms at an angle of 35deg
Two people carry a heavy electric motor by placing it on a light board 4.00 meter long. Determine where is its center of gravity located
A tennis player swings her 1100 gram racket with a speed of 11 meter per second. Obtain how fast is her racket moving immediately after the impact
A small button placed on a horizontal rotating platform withdiameter 0.310 m will revolve with theplatform when it is brought up to a speed of 35.0 rev/min, provided the button is no more than0.128 m from the axis.
A certain superconducting magnet in the form of a solenoid of length 0.30 m can produce a magnetic field of 13.0 T in its core when its coils carry a current of 105 A. The windings, made of a niobium-titanium alloy, must be cooled to 4.2 K. Find o..
Three equal charges of magnitude +4.00 uC are placed at the corners of an equilateral triangle of side 2 cm. what is the electric potential energy of the system
How many calories are absorbed by a sample of water with a mass of 500 grams as it changes from 50 degrees C to 56 degrees C? The specific heat capacity of water is 1.00 cal/g degrees C.
The position of a car at t= 20 min is x= 12 km. Its position is 69.6km when t=60min. Find the average velocity of the car
the position of a 50 g oscillating mass is given by xt 2.0 cm cos5t where t is in seconds. determine the following. a
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