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Quiz 1 Midterm (Part 1)

Total questions: 20

Worksheet time: 27mins

Name
Class
Date
1.

Generally refers to a destination for data storage. However, many IT professionals utilize the term more clearly to refer to a specific kind of setup within an IT structure.

a)

Data Mining

b)

Relational Database

c)

Data warehouses

d)

Data Repositories

2.

Refers to a database management system (DBMS) that has the potential to undo a database transaction if it is not performed appropriately.

a)

Object-Relational Database

b)

Transactional Database

c)

Data warehouses

d)

Data Repositories

3.

The discovery of new, non-obvious, valuable information from

a large collection of raw data

a)

Data organization

b)

Data Mining

c)

Data process

d)

Data extraction

4.

Data Mining is the core of the KDD, what does KDD mean?

(a)  

5.

It is the process, involving the inferring of algorithms that explore

the data, develop the model and discover previously unknown

patterns.

a)

Knowledge Discovery in

Databases

b)

Knowledge Discovery in

Data Reposition

c)

Knowledge Discovery in

Desk

d)

Knowledge Discovery in

Data

6.

Explain what is the overall goal of the data mining process?

4 lines
7.

It refers to the science of

examining raw data with the purpose of

drawing conclusions about that information.

a)

Business Analystics

b)

Information Analytics

c)

Data analytics

d)

Database Analytics

8.

It is used in many industries to

allow companies and organization to make

better business decisions and in the sciences

to verify or disprove existing models or

theories

a)

Process Analysis

b)

Data analytics

c)

Business Analysis

d)

Pattern Analysis

9.

What is the difference between Data Analytics and Data Mining?

4 lines
10.

Keys to a Successful Data Mining Project

a)

Credible source of data

b)

Knowledgeable personnel

c)

Appropriate algorithms

d)

Fast Computer

11.

Differentiate Primary Tasks of Data Mining, Classification vs Clustering

4 lines
12.

Differentiate Primary Tasks of Data Mining, Regression vs Summarization

4 lines
13.

Differentiate Primary Tasks of Data Mining, Dependency Modeling vs Change and Deviation Detection

4 lines
14.

Data Mining Applications, a company saves much time

by marketing to prospects that would have the

highest reply rate.

(a)  

15.

Instead of random selection on

which customers to pick for their surveys, a

company could use direct marketing from data

mining to find the “correct” customers to ask.

(a)  

16.

It is used in data mining in

order to identify the common characteristics of

customers who buy the products from one’s

company.

(a)  

17.

In this Data Mining Applications you will be able to

find behaviors that are common among your

customers.

(a)  

18.

In this Data Mining Applications, a company seeks customer’s trends,

it helps them find necessities in order to help them

improve their business.

(a)  

19.

Customer _ predicts which

customers will have a change of heart

towards your company and join another

company (competitor).

(a)  

20.

It involves researching

customer characteristics in respect to their

purchase patterns

(a)