Dsci exam 1 - Study guides, Class notes & Summaries

The 3Vs in the definition of Big Data stand for: A: Volume, Value, Veracity B: Volume, Variety, Value C: Volume, Variety, Velocity - correct answer C: Volume, Variety, Velocity The four stages in Big Data adoption identified by the 2012 IBM/University of Oxford report DO NOT include: A: Educate B: Expect C: Engage D: Execute - correct answer B: Expect The main sponsor(s) in the "Execute" stage of big...

1. At hard rock café. Tasks that reflect operations or operations management include all of the above 2. which of the following are the primary functions of all organizations marketing, operations, and finance/accounting 3. Operations management is applicable to who? to all firms, whether manufacturing and service 4. Budgeting, paying the bills and collection of funds are activities associated with the finance/accounting function 5. The marketing function's main...

Other names for business decision modeling -management science -operations research -quantitative analysis -operations management constrained mathematical model costs of an objective and one or more constraints classification by the model purpose -optimization models -prediction models classification by the degree of certainty of the data in the model -deterministic models -probabilistic models BDM Scientific Process 1. prob definition 2.. mathematical mode...

Statistics (collective noun) the science of gathering, describing, and analyzing data Statistics (plural of "statistic") the actual numerical descriptions of sample data Population a particular group of interest Variable a value or characteristic that changes among members of a population Data the counts, measurements, or observations gathered about a specific variable in a population in order to study it Census a study in which data are obtained from...

What is BI/BA? - correct answer The term BI/BA can be used interchangeably. BI is an umbrella term that combines architecture, tools, databases, analytical tools, applications, and methodologies. It is content free expression (means different things to different people). It's objective is to enable easy access to data (and models) to provide business managers the ability to conduct analysis. It helps transform data, to information, to decisions (and knowle...

The function that is part of every business organization that produces products and/or delivers services is the __________ function. - correct answer Operations Which of the following is a key difference between the production of goods and the delivery of services? - correct answer The feasibility of using inventory Operations and sales are __________ functions; all other functions are __________ functions. - correct answer line; support One thing that must be managed in all proce...

What is MIS? - correct answer - Management Information systems - A business function, like accounting and human resources, which moves information about people, products, and processes across the company to facilitate decision making and problem solving What is the primary driver of IT in business? - correct answer From the first lecture: "The big point: Business drives the tech. The problems of modern business desire a need for modern technological solutions." What is the long tail...

UNT DSCI Exam 2 2023/2024 random experiment conditions - ANSWER- is one distinct outcome for each trial outcome is uncertain 3. the set of all outcomes can be specified with certainty and is called a sample space (S) outcome - ANSWER-any member of a sample space Example: A coin, S= {Head, Tails} event - ANSWER-a set of outcomes subjective probability - ANSWER-personal belief on occurrence (life experiences) objective probability - ANSWER-the occurrence is based on recorded...

T or F: Exponential smoothing adds a percentage (called alpha) of the last period's forecast to estimate the next period's demand. - correct answer FALSE - Exponential smoothing does not add a percentage to the last period's forecast error. T or F: Statistical process control focuses on the acceptability of process output. - correct answer FALSE - Statistical process control focuses on the variability of processes. T or F: Control limits tend to be wider for more variable processes. -...

BI represents a bold new paradigm in which the company's business strategy must be aligned to its business intelligence analysis initiatives. T/F - correct answer FALSE The very design that makes an OLTP system efficient for transaction processing makes it inefficient for - correct answer end-user ad hoc reports, queries, and analysis. In the Opening Vignette on Sports Analytics, what type of modeling was used to ...