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mcqs of
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1 : Which of the following is an example of qualitative data?
1
:
Temperature readings in degrees Celsius
2
:
Number of students in a class
3
:
Favourite ice cream flavours
4
:
Test scores out of 100
2 : What type of data involves distinct, separate values that are countable?
1
:
Nominal Data
2
:
Ordinal Data
3
:
Discrete Data
4
:
Continuous Data
3 : What is an example of continuous data?
1
:
Number of cars in a parking lot
2
:
Height of students in centimetres
3
:
Types of fruits
4
:
Shirt sizes (small, medium, large)
4 : What is the main purpose of data collection?
1
:
To create random numbers
2
:
To gather information to answer questions or make decisions
3
:
To delete old data
4
:
To format text documents
5 : What is data?
1
:
Processed information
2
:
Raw facts gathered about things
3
:
A collection of numbers only
4
:
A list of observed events
6 : Which tool is specifically designed for creating detailed and interactive visualizations?
1
:
Microsoft Excel
2
:
Google Sheets
3
:
Tableau
4
:
PowerPoint
7 : How can you organise data to make it easier to analyse?
1
:
By writing it in long paragraphs
2
:
By creating tables, charts, and graphs
3
:
By storing it in random files
4
:
By keeping it in a messy notebook
8 : What type of data is used to categorize items without implying any order?
1
:
Ordinal Data
2
:
Discrete Data
3
:
Nominal Data
4
:
Continuous Data
9 : What is the first step in the data science process?
1
:
Data Cleaning
2
:
Data Analysis
3
:
Data Collection
4
:
Understanding the problem
10 : Which tool can be used to create surveys online?
1
:
Microsoft Word
2
:
Google Forms
3
:
Excel Spreadsheets
4
:
Adobe Photoshop
11 : What is the primary purpose of data visualization?
1
:
To generate random numbers
2
:
To convert text into data
3
:
To make data easier to understand by turning it into pictures
4
:
To hide complex data
12 : What does the 'Volume' characteristic of Big Data refer to?
1
:
The speed at which data is generated
2
:
The different forms data can take
3
:
The sheer amount of data being collected
4
:
The way data is processed
13 : What is an outlier in a dataset?
1
:
The most frequent value
2
:
The average of all values
3
:
An unusual or extreme value that doesn't fit the pattern
4
:
The middle value when all values are arranged in order
14 : What does data encryption do?
1
:
It converts data into a code to prevent unauthorized access.
2
:
It makes data available to everyone online.
3
:
It automatically deletes old data.
4
:
It speeds up internet connection.
Chapter 9 : Data science and data gathering
Computer 9th MCQs || Ilam Ghar
Computer 9th
