Worksheets › Class 9 › Data Literacy
Class 9 · Computational Thinking and AI worksheetData Literacy
CBSE Computational Thinking and AI. Types of data, ways to acquire it, cleaning duplicates, gaps and errors, trends, data privacy and security, strong passwords. Every sheet has 20 questions in three sections and an answer key, and the questions change every time.
Sample questions
Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.
Section A · multiple choice
- 1.
Data literacy is the ability to:
- repair computers
- write programs only
- type quickly
- read, understand, analyse and communicate with data
Answer
(d) read, understand, analyse and communicate with data
- 2.
What type of data are favourite sport chosen from a list?
- audio
- image
- categorical
- text
Answer
(c) categorical
- 3.
An app asking before it shares your location: is this mainly about data privacy or data security?
- data cleaning
- data security
- data privacy
- data exploration
Answer
(c) data privacy
Section B · short answer
- 4.
What is data literacy, and why does it matter?
Answer
The ability to read, understand, analyse and communicate with data; it helps people make informed decisions and spot misleading claims.
- 5.
A dataset of students: Isha, age 1, score 45 Meera, age 13, score 96 Zoya, age 250, score 95 Vikram, age —, score 51 Zoya, age 250, score 95 Dev, age 15, score 89 Rohan, age 14, score 87 Kabir, age 14, score 33 Kabir, age 14, score 33 Asha, age 15, score 71 How many rows (a) repeat an earlier row (b) have a missing value (—) (c) have an impossible age?
Answer
(a) 2; (b) 1; (c) 3
check each row against each problem
Section C · long answer
- 6.
Explain the steps you would take to clean a dataset before using it for an AI model.
Answer
Remove duplicate rows; handle missing values (fill with the mean or remove); fix or remove impossible values; make formats consistent; check labels.
Fresh sheets for your child
In the app, every Data Literacy sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.
Coming soon for Android and iPhone.