Dsci exam 1 - Study guides, Class notes & Summaries

DSCI 4330 Exam 1 With 100% Correct Answers

DSCI-D 351 Exam 1, Questions and answers, 100% Accurate. VERIFIED. In the execution of a MapReduce algorithm, the reduce tasks are always performed after all map tasks have completed. True False - -False The number of hash functions used in MinHash-based LSH has no impact on the accuracy of the similarity estimate. True False - -False The Flajolet-Martin (FM) algorithm is a deterministic algorithm and produces the same estimate for a given stream every time it is run. True False...

DSCI: Exam 1 QUESTIONS WITH ANSWERS

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...

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...

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...

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...

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...

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...