DAWIT

DAWIT

12th Grade

30 Qs

quiz-placeholder

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DAWIT

DAWIT

Assessment

Quiz

Fun

12th Grade

Practice Problem

Hard

Created by

Alexander Nah

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You work for a retail clothing chain whose primary outlets are in shopping malls, and you are conducting an analysis of your customers and their preferences. You wish to find out if there are any particular activities that your customers engage in, or the types of purchases made in the month before or after purchasing select items from your store. To do this, you will want to use data mining software that is capable of

Identifying associations

Identifying clusters

Identifying sequences

Classification

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ou work for a national car rental agency and want to determine what characteristics are shared among your most loyal customers. To do this, you will want to use data mining software that is capable of

Identifying associations

Identifying clusters

Identifying sequences

Classification

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A DBMS makes the

  1. physical database available for different logical views.

  1. logical database available for different analytical views.

  1. physical database available for different analytical views.

logical database available for different physical views.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A data warehouse is composed of

historical data from legacy systems

current data

internal and external data

historic and current internal data

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A nationwide magazine publisher has hired you to help analyze their social media datasets to determine which of their news publications are seen as the most trustworthy. Which of the following tools would you use to analyze this data?

text mining tools

sentiment analysis software

web usage mining technologies

data mining software for identifying associations

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Data mining is a tool for allowing users to

Quickly compare transaction data gathered over many years

Find hidden relationships in data

Obtain answer to ad-hoc questions in a rapid amount of time

Summarize massive amounts of data into much smaller, traditional reports

Answer explanation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Data cleansing not only corrects errors but also

Establishes logical relationships between data

Structures data

Normalizes

Enforces consistency among different sets data

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