8 - Lecture 3

8 - Lecture 3 - Introduction to Econometrics Econ 322;...

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Unformatted text preview: Introduction to Econometrics Econ 322; Summer 2011 Ruby HENRY rhenry@econ.rutgers.edu June 8, 2011 Ruby HENRY () Introduction to Econometrics June 8, 2011 1 / 8 The Normal Distribution: N ( , 2 ) The Normal distribution describes the probability distribution for a random variable X that has the following properties: Ruby HENRY () Introduction to Econometrics June 8, 2011 2 / 8 The Normal Distribution: N ( , 2 ) The Normal distribution describes the probability distribution for a random variable X that has the following properties: X can take any value on the real line ( & , ) Ruby HENRY () Introduction to Econometrics June 8, 2011 2 / 8 The Normal Distribution: N ( , 2 ) The Normal distribution describes the probability distribution for a random variable X that has the following properties: X can take any value on the real line ( & , ) Is this discrete or continuous? Ruby HENRY () Introduction to Econometrics June 8, 2011 2 / 8 The Normal Distribution: N ( , 2 ) The Normal distribution describes the probability distribution for a random variable X that has the following properties: X can take any value on the real line ( & , ) Is this discrete or continuous? the density function has the familiar &bell shapedcurve Ruby HENRY () Introduction to Econometrics June 8, 2011 2 / 8 The Normal Distribution: N ( , 2 ) The Normal distribution describes the probability distribution for a random variable X that has the following properties: X can take any value on the real line ( & , ) Is this discrete or continuous? the density function has the familiar &bell shapedcurve a normal random variable with mean and variance 2 has probability density function f ( X = x ) = ( x ) = 1 2 2 e & 1 2 2 ( x & ) 2 . Ruby HENRY () Introduction to Econometrics June 8, 2011 2 / 8 The Normal Distribution: N ( , 2 ) The Normal distribution describes the probability distribution for a random variable X that has the following properties: X can take any value on the real line...
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This note was uploaded on 09/29/2011 for the course ECON 322 taught by Professor Francisco during the Summer '07 term at Rutgers.

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8 - Lecture 3 - Introduction to Econometrics Econ 322;...

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