PPT-Social Statistics: Are your curves normal?

1 Why understanding probability is important What is normal curve How to compute and interpret z scores This week 2 The chance of winning a lotter The chance to get a head on one flip of a coin. 1 Second Normal Form 32 Third Normal Form 33 Functional Dependencies 4 FOURTH AND FIFTH NORMAL FORMS 41 Fourth Normal Form 411 Independence 412 Multivalued Dependencies 42 Fifth Normal Form 5 UNAVOI ABL E RE DUNDA NCIES 6 INTERRECORD REDUNDA NCY 7 CO :. An . Empirical Study. Gary M. Weiss. Alexander . Battistin. Fordham University. Motivation. Classification performance related to amount of training data. Relationship visually represented by learning curve. UNIT V. Introduction. Objects in the real world may not always be made up of regular geometric shapes.. Surfaces are made up of curved surfaces & curved edges.. Curves are quite complicated to represent them in exact mathematical equations.. Warm-up Question. What do dating and marriage have to do with economics? . Scarcity. Choice. Utility maximization . Economics and Marriage. A market is any mechanism or institution that brings buyers together with sellers. Bob the Builder Example. Cost Curves: Bob the Builder Example. Total Cost. To employ Bob to work the firm needs to pay $420. Every additional worker is $420. Bricklayer. Total Cost. 1. $420. 2. $840. Many . studies generate large numbers of data points, and to make sense of all that data, researchers use statistics that . summarize. the data, providing a better understanding of overall tendencies within the distributions of scores. 68%-95%-99.7% Rule. Areas under Normal Curve. Areas under Normal Curve(cont). Example: Normal Distribution. The brain weights of adult Swedish males are . approximately. normally distributed with mean μ = 1,400 g and standard deviation . © 2017 W.H. Freeman and Company. 1.1-1. When ordering vinyl replacement windows, the following variables are specified for each window. Which of these variables is . quantitative. ?. a. window style: double hung, casement, or awning. Anchor rates based on literature review. The “anchor rates” were the rates of percent Total Phosphorus removal based on the runoff treated in inches as was derived from the expert panel literature review. . You must calibrate the thermometers to ensure you collect accurate results.. You shall practise your technique with cold copper coins and boiling water. You shall then repeat the method with stearic acid and paraffin wax. . Sample. , shape, location, and spread. Sample = make sure it's random, handle missing data (mcar, mar, nmar), imputation . methods. NMAR!. . Shape = Is the data skewed, normal, or flat? If normal then we can use statistical analysis for normal . Workshop on the Operation of Civil Registration, Vital Statistics and Identity Management Systems and the Production of Vital Statistics Reports for the Eastern Mediterranean Region Countries 19 – 23 March 2018, Casablanca, Morocco What is the value of . ?.  .  .  . Answers:. Find your value of . in the table to locate the appropriate value of . .. Can’t find it?. Try this table . .  . Solve using substitution.. . Normal random variables. The Normal distribution is by far the most important and useful probability distribution in statistics, with many applications in economics, engineering, astronomy, medicine, error and variation analysis, etc. The Normal distribution is often called the bell curve, due to its distinctive shape..