Drexel University

Researchers studying the relationship between honesty, age, and self-control conducted an experiment on 160 children between the ages of 5 and 15. Participants reported their age, sex, and whether they were an only child or not. The researchers asked each child to toss a fair coin in private and to record the outcome (white or black) on a paper sheet, and said they would only reward children who report white. Half the students were explicitly told not to cheat and the others were not given any e...

real-world data can be: - correct answers misaligned, complex, and inaccurate -- because of this, analysts spend a lot of time being data janitors what is noise in data? - correct answers missing values and outliers/extreme values what are the four steps in the scientific approach to systematic preprocessing phases - correct answers 1. data consolidation 2. data cleaning 3. data transformation 4. data reduction what is the art of data processing? - correct answers preprocessing exper...

in what forms can data be? - correct answers structured or unstructured what is structured data? - correct answers organized as data arrays (spreadsheets) with variables, observations, and values what are variables? - correct answers characteristics of members of a population (age, gender, etc) what are observations? - correct answers list of all variables for a single member of a population what are values? - correct answers measurements of each observation for each variable what...

Heuristics - correct answers Base decisions based on previous decisions Decision Modeling - correct answers Qualitative & quantitative models for decision support which (1) are prescriptive analytics methods and (2) support choosing between different decision alternatives using analytical models. Can be visualized and applied to select the best decision (according to our decision criterion) using a decision tree Mathematical Model for Decision Modeling - correct answers Each decision pr...

Descriptive Analytics the use of data to understand past and current business performance and make informed decisions Predictive Analytics extracts information from data and uses it to predict future trends and identify behavioral patterns Prescriptive Analytics The set of analytical techniques that yield a best course of action. Data Facts and statistics collected together for reference or analysis structured data Data that (1) are typically numeric or categorical; (2) can ...

T or F:Decision support system are computer-based support systems that integrate individuals' expertise and computer capabilities, and they have precise definitions agreed to by practitioners. - correct answers False Business Intelligence (BI) - correct answers is an umbrella term that combines architectures, databases, analytical tools, applications, and methodologies T or F: Data is a collection of observations, experiments, and experiences that do not necessarily represent absolute fac...

Which of the following statement describes the key take away points of Analytics Applications in Healthcare - Humana Example 1? a) Humana's prevention efforts aim to treat all injuries after a fall more efficiently. b) As a strategy to enhance well-being of its members, Humana promotes increased utilization of physical therapy as a better alternative than investing in high-cost analytics. c) Using analytics can reduce healthcare costs by identifying subgroups of Humana members that are at ...

This document covers required material for lectures 1-9 of Majors Organic III which will also be relevant to Organic III taught by Professor Xi at Drexel University. This covers all of Chapter 17 with mechanisms. Chapter 17 is mainly about EAS reactions along with other reactions of aromatic compounds including organometallic reactions such as the Heck and Suzuki reactions.

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