20 Test 1 Rev - Probability Properties Normal Distribution...

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- 1 - BUAD 310 Test 1 Topics Monday, September 20, 2010 Introduction (Chapters 1-2 & 13) Population vs Sample Population, Population Parameter, Sample, Statistic Descriptive Statistics (Chapters 3-4) Scales of Measurement Quantitative, Categorical Ratio, Interval, Ordinal, Nominative Central Tendency Mean, Median, Mode Variability Range, Standard Deviation (Std Dev), Variance, IQR Distribution Shapes Skewness vs Symmetry Bimodal Tolerance Interval Empirical Rule Mean +/- k Std Dev Graphs and Charts (interpretation) Bar Chart, Pie Chart Histogram Boxplot Random Variables, Normal Distribution (Chapter 9 & 12) Discrete vs Continuous Distribution Tables Probabilities Mean Variance Sharpe ratio
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Unformatted text preview: Probability Properties Normal Distribution Standard Normal Calculations of probabilities from table - 2 - Inverse Problems Value at Risk (VaR) Sampling Distributions (Chapter 14) Sample Mean x If x is normal with mean μ and std dev σ, then the sample mean x is normal with mean μ and std dev σ/ n , where n is the # of observations in the sample. Even if x is non-normal, the sample mean x is approximately normal with mean μ and std dev σ/ n when n is large. Calculating probabilities Sample Proportion p p is approximately normal with mean p (true proportion) and std dev n p p ) 1 ( , where n is the # of observations in the sample. Calculating probabilities...
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