2 sample documents related to ECON 205001

• 
  z-cu_distribution_JJLEE2008.pdf

  Towson ECON 205001
  

  Cumulative Probabilities for the Standard Normal Distribution Entries in the table give the area under the curve until z (the cumulative distribution function). For example, for z= -0.85 the area under the curve until z is 0.1977. z -3.0 -2.9 -2.8 -
   
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  Final_formulas_w2009.pdf

  Towson ECON 205001
  

  Econ205 Minimester 2009 KEY FORMULAS Chapter 3 Sample Mean: x= Population Mean: = Sample Variance: s2 = Population Variance: 2 = Standard Deviation: Sample Standard Deviation = s = s2 2 N i=1 n i=1 xi n xi N n i=1 (xi x)2 n1 N )2 N i=1 (