In Exercises 1-5, determine the equations of the polynomials of degree two whose graphs pass through the given points. (1, 2), (2, 2), (3, 4)

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