This preview shows pages 1–7. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: Normal Distribution SUNY at Albany  Department of Economics Eco 320 Economic Statistics Distributions SUNY at Albany  Department of Economics Eco 320 Economic Statistics Distributions SUNY at Albany  Department of Economics Eco 320 Economic Statistics Distributions SUNY at Albany  Department of Economics Eco 320 Economic Statistics Distributions Normal Distribution X f(x) 2 2 2 1 exp 2 1 ) ( x x x x x f PDF: 1. Normal Distribution A. X : a continuous random variable and  < X < + ~ : distributed as N : the normal distribution x : population mean x 2 : population variance x and x 2 are parameters of the distribution. SUNY at Albany  Department of Economics Eco 320 Economic Statistics Distributions SUNY at Albany  Department of Economics Eco 320 Economic Statistics Distributions 2 , ~ x x N X SUNY at Albany  Department of Economics Eco 320 Economic Statistics Distributions SUNY at Albany  Department of Economics Eco 320 Economic Statistics Distributions Normal Distributions 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 X f(x) = 6 = 5 SUNY at Albany  Department of Economics Eco 320 Economic Statistics Distributions SUNY at Albany  Department of Economics Eco 320 Economic Statistics Distributions Normal Distributions 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 X f(x) 2 = 0.0625 2 = 1 2. Properties of Normal Distribution A. The normal distribution is bellshaped and symmetrical around the mean (skewness is 0). B. The mean is where the peak of the density occurs, and the standard deviation indicates the spread or the girth of the bell curve. These two parameter fully describe a normal distribution....
View
Full
Document
This note was uploaded on 02/08/2012 for the course ECON 320 taught by Professor Chan during the Spring '11 term at SUNY Albany.
 Spring '11
 Chan
 Economics

Click to edit the document details