Outliers work on t - Study guides, Class notes & Summaries

Interval variables contain a true zero. True of false? - answer-False Which of the following statements are true with respect to ordinal data? The numbers represent categories The order of the values have meaning The distance between values can be calculated The numbers represent actual measurable quantities - answer-All are true Which of the following would be the best measure of dispersion or spread for a study evaluating quality of life on a 1 to 5 scale? Standard error Interquart...

CHAPTER 3 MEASUREMENTS, MISTAKES, AND MISUNDERSTANDINGS SECTION 3.1 SIMPLE MEASURES DON’T EXIST FREE RESPONSE QUESTIONS 1. Explain why even the simplest kind of measurement, such as finding your height, still presents complicated issues. ANSWER: ANY REASONABLE ANSWER OK. EXAMPLES: THE ACCURACY OF YOUR MEASUREMENT DEPENDS ON YOUR MEASUREMENT TOOL; HOW TALL YOU STAND WHEN YOU MEASURE; WHETHER OR NOT YOU WEAR SHOES, ETC. 2. Describe one of the issues that you would need to think about when...

Statistics Fourth Edition DAVID FREEDMAN ROBERT PISANI ROGER PURVES Statistics Fourth Edition W • W • NORTON & COMPANY NEW YORK • LONDON Cartoons by Dana Fradon and Leo Cullum The text of this book is composed in Times Roman. Composition by Integre Technical Publishing Company, Inc. Manufacturing by R. R. Donnelley. Library of Congress Cataloging-in-Publication Data Freedman, David, 1938– Statistics...

Documenting ETL Requirements - ANSWER-Has three sections: Requirements Summary - what it does, system, and type and frequency Standard: architectural framework, strategy, design conventions, describe the operation flow at the high level and dependencies Job-Level Details: ind. job. Course Chapters - High level Objectives - ANSWER-1) Understanding and Describing Data 2) The Basics of SQL for Analytics 3) SQL for Data Preparation 4) Aggregate Functions for Data Analysis 5) Window Functio...

QUESTIONS AND ANSWERS FOR ISYE 6501 FINAL Support Vector Machine - CORRECT ANSWER-A supervised learning, classification model. Uses extremes, or identified points in the data from which margin vectors are placed against. The hyperplane between these vectors is the classifier SVM Pros/Cons - CORRECT ANSWER-Pros: It works really well with a clear margin of separation It is effective in high dimensional spaces. It is effective in cases where the number of dimensions is greater than the ...

  Reading 1. Xavier propagated his belief that dragons were real to his friends gathered around the campfire. Which of the following words could most logically replace the underlined word without altering the intent of the sentence? a. Shouted b. Expressed c. Persuaded d. Whispered 2. Which of the following statements least supports the argument that the American economy is healthy? a. The United States' Gross Domestic Product (GDP), which is the measure of all the goods and se...

Data Analysis with Microsoft Excel. Introduction Data Analysis with Microsoft® Excel: Updated for Offi ce 2007® harnesses the power of Excel and transforms it into a tool for learning basic statistical analysis. Students learn statistics in the context of analyzing data. We feel that it is important for students to work with real data, analyzing real-world problems, so that they understand the subtleties and complexities of analysis that make statistics such an integral part of understan...

CLC 056 Analyzing Contract Costs Exam Questions And Answers GRADED A  Which of the following situations are considered exempt from the submission of Certified Costor Pricing Data? • Prices are set by law or regulation • Sole source acquisition of $3.5M FFP effort; price determined using cost analysis • Price may be determined fair and reasonable based on price analysis proposaltechniques • Non-commercial modification of a commercial item. Modification funded by DoD andconstitut...

Data Analysis with Microsoft Excel. Introduction Data Analysis with Microsoft® Excel: Updated for Offi ce 2007® harnesses the power of Excel and transforms it into a tool for learning basic statistical analysis. Students learn statistics in the context of analyzing data. We feel that it is important for students to work with real data, analyzing real-world problems, so that they understand the subtleties and complexities of analysis that make statistics such an integral part of understan...

Support Vector Machine(SVM) is a supervised machine learning algorithm used for? - ANSWER Classification How to split the data if we only have one model? - ANSWER 70% training data, 30% testing data How to split the data if we want to compare models? - ANSWER 70% training, 15% validation and 15% testing When do we need to do scaling in data? - ANSWER When our factors/attributes/dimensions are orders of magnitude different such as income vs. credit score (income is much much larger) Whic...