math 124 chapter 3 notes
math 124 chapter 3 notes MATH 124
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This 2 page Class Notes was uploaded by Felicia Hyde on Saturday September 10, 2016. The Class Notes belongs to MATH 124 at San Francisco State University taught by Vera Klimkovsky in Fall 2016. Since its upload, it has received 3 views. For similar materials see Elementary Statistics in Math at San Francisco State University.
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Date Created: 09/10/16
Elementary Statistics Math 124-08 Vera Klimkovsky 7 September 2016 Chapter 3: The Normal Distributions 1) The 5 number summary : a) Min, Q1,Median,Q2,Max b) The 1.5 IQR rule for outliers 2) Mean & Standard Deviation: Population data: Sample data: Mean- Standard Deviation- Mean – Symmetric (median = mean) Skewed right ( median mean) Skewed left (mean median) 3) Distributions: a) * the 68-95-99.7 Rule ( the empirical rule) ----applies to normal bell shaped i) ≈68% of data fall within 1 S.D. of the mean ii) ≈95% of data fall within 2 S.D. of the mean iii) ≈99.7% of data fall within 3 S.D. of the mean Ex: cholesterol for women ages 20-34 Mean = 185 and SD = 40