100% tevredenheidsgarantie Direct beschikbaar na betaling Zowel online als in PDF Je zit nergens aan vast
logo-home
Business Intelligence, Analytics, Data Science, and AI, 5th Edition by Ramesh Sharda, Dursun Delen, Efraim Turban Chapter 3 Descriptive Analytics I: Nature of Data, Big Data, and Statistical Modeling €7,60   In winkelwagen

Tentamen (uitwerkingen)

Business Intelligence, Analytics, Data Science, and AI, 5th Edition by Ramesh Sharda, Dursun Delen, Efraim Turban Chapter 3 Descriptive Analytics I: Nature of Data, Big Data, and Statistical Modeling

 13 keer bekeken  0 keer verkocht
  • Vak
  • Instelling

Business Intelligence, Analytics, Data Science, and AI, 5th Edition by Ramesh Sharda, Dursun Delen, Efraim Turban Chapter 3 Descriptive Analytics I: Nature of Data, Big Data, and Statistical Modeling 1) To respond to the market challenges, SiriusXM decided to focus on production efficiency. ...

[Meer zien]

Voorbeeld 3 van de 17  pagina's

  • 28 juli 2024
  • 17
  • 2023/2024
  • Tentamen (uitwerkingen)
  • Vragen en antwoorden
avatar-seller
Business Intelligence, Analytics, Data Science,
and AI, 5th Edition by Ramesh Sharda, Dursun
Delen, Efraim Turban
Chapter 3 Descriptive Analytics I: Nature of Data, Big Data, and Statistical Modeling

1) To respond to the market challenges, SiriusXM decided to focus on production efficiency.
Answer: FALSE
Diff: 1 Page Ref: 147

2) Data is the contextualization of information, also called "information set in context."
Answer: FALSE
Diff: 1 Page Ref: 151

3) Data is the main ingredient, or row material, for any BI, data science, and business analytics
initiative.
Answer: TRUE
Diff: 2 Page Ref: 151

4) Predictive algorithms generally require a flat file with a target variable, so making data
analytics ready for prediction means that data sets must be transformed into a flat-file format and
made ready for ingestion into those predictive algorithms.
Answer: TRUE
Diff: 2 Page Ref: 152

5) Data source reliability means that data are correct and are a good match for the analytics
problem.
Answer: FALSE
Diff: 1 Page Ref: 153

6) Data accessibility means that the data are easily and readily obtainable.
Answer: TRUE
Diff: 3 Page Ref: 89

7) Structured data is what data mining algorithms use and can be classified as categorical or
numeric.
Answer: TRUE
Diff: 1 Page Ref: 155

8) Interval data are numerical variables that have an absolute zero reference point.
Answer: FALSE
Diff: 2 Page Ref: 156

9) Nominal data is unstructured because they are not represented with numbers.
1
Copyright © 2024 Pearson Education Ltd.

,Answer: FALSE
Diff: 2 Page Ref: 155

10) Ordinal data is a sub-part of the numerical data category within the data taxonomy.
Answer: FALSE
Diff: 2 Page Ref: 155
11) Unstructured data includes multimedia data, textual data, and web log data.
Answer: TRUE
Diff: 2 Page Ref: 155

12) Datum is what we name the plural form of data.
Answer: FALSE
Diff: 2 Page Ref: 155

13) Data are often viewed as the lowest level of abstraction from which information and then
knowledge is derived.
Answer: TRUE
Diff: 2 Page Ref: 155

14) Data preprocessing is a tedious and time-demanding process necessary to convert the raw
real-world data into a well-refined form for analytics algorithms.
Answer: TRUE
Diff: 2 Page Ref: 157

15) In the first phase of data preprocessing, the data is cleaned for further transformation.
Answer: FALSE
Diff: 2 Page Ref: 158

16) Big data is defined solely by its sheer volume, which can be at the Exabyte or Zettabyte
levels.
Answer: FALSE
Diff: 2 Page Ref: 167

17) A clear business need is amongst the most important big data analytics success factors.
Answer: TRUE
Diff: 2 Page Ref: 171

18) Both commercial and opensource MapReduce libraries are available that provide a wide
range of analytic capabilities.
Answer: TRUE
Diff: 2 Page Ref: 178

19) Hadoop is a big data technology that distributes the analytics processing of very large multi-
structured data files across a large cluster of machines.
Answer: FALSE
Diff: 2 Page Ref: 171


2
Copyright © 2024 Pearson Education Ltd.

, 20) The main benefit of Hadoop is that it allows enterprises to process and analyze large volumes
of unstructured and semi-structured data in a cost and time-effective manner.
Answer: TRUE
Diff: 2 Page Ref: 177




3
Copyright © 2024 Pearson Education Ltd.

Voordelen van het kopen van samenvattingen bij Stuvia op een rij:

Verzekerd van kwaliteit door reviews

Verzekerd van kwaliteit door reviews

Stuvia-klanten hebben meer dan 700.000 samenvattingen beoordeeld. Zo weet je zeker dat je de beste documenten koopt!

Snel en makkelijk kopen

Snel en makkelijk kopen

Je betaalt supersnel en eenmalig met iDeal, creditcard of Stuvia-tegoed voor de samenvatting. Zonder lidmaatschap.

Focus op de essentie

Focus op de essentie

Samenvattingen worden geschreven voor en door anderen. Daarom zijn de samenvattingen altijd betrouwbaar en actueel. Zo kom je snel tot de kern!

Veelgestelde vragen

Wat krijg ik als ik dit document koop?

Je krijgt een PDF, die direct beschikbaar is na je aankoop. Het gekochte document is altijd, overal en oneindig toegankelijk via je profiel.

Tevredenheidsgarantie: hoe werkt dat?

Onze tevredenheidsgarantie zorgt ervoor dat je altijd een studiedocument vindt dat goed bij je past. Je vult een formulier in en onze klantenservice regelt de rest.

Van wie koop ik deze samenvatting?

Stuvia is een marktplaats, je koop dit document dus niet van ons, maar van verkoper LIXAN. Stuvia faciliteert de betaling aan de verkoper.

Zit ik meteen vast aan een abonnement?

Nee, je koopt alleen deze samenvatting voor €7,60. Je zit daarna nergens aan vast.

Is Stuvia te vertrouwen?

4,6 sterren op Google & Trustpilot (+1000 reviews)

Afgelopen 30 dagen zijn er 85651 samenvattingen verkocht

Opgericht in 2010, al 14 jaar dé plek om samenvattingen te kopen

Start met verkopen
€7,60
  • (0)
  Kopen