quiz no 1

What is Data mining?

• Process of discovering or finding knowledge from a large amount of data

• Processing antique artifacts

• Using the internet to learn new things

• None of the above

What is pre-processing?

• Setting up a target data

• Data mining procedure to sort data

• A method to find data

• To represent the derivate data with visualization and reports.

The process of evaluating data through analytical and statistical tools

• Data Mining

• Data Analysis

• Data Exploration

• Data Visualization

Which of the following task is not Data Mining?

• Predicting price of a stock

• Clustering customers according to preferences

• Association Rule Mining

• Looking up records in Telephone Directory

What is the task shown in the picture called?

• Clustering

• Classification

• Anomaly Detection

• Association Rule Mining

Predicting a continuous variable is called a __________ task.

Data Mining is also referred to as

• Exploratory Data Analysis

• Knowledge discovery from Databases

• None of the above

Classification is

• A subdivision of a set of examples into a number of classes

• A measure of the accuracy, of the classification of a concept that is given by a certain theory

• The task of assigning a classification to a set of examples

• None of these

Data selection is

• The actual discovery phase of a knowledge discovery process

• The stage of selecting the right data for a KDD process

• A subject-oriented integrated time variant non-volatile collection of data in support of management

• None of these

Using features to predict unknown or future values of the same or other feature is known as ___________ power of data mining

• Clustering

• Predictive

• Associative

• Descriptive