Practice Cumulative Frequencies - 1.11.1.2 | 1. Data - Its Source and Compilation | CBSE 12 Geography - Practical Work in Geography Part 2
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define data in your own words.

💡 Hint: What do you see on TV or read in reports?

Question 2

Easy

What is cumulative frequency?

💡 Hint: Think of it as a running total of counts.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the primary purpose of cumulative frequency?

  • To find the mean
  • To calculate total observations
  • To analyze data distribution
  • To collect raw data

💡 Hint: Think about data use cases.

Question 2

True or False: Secondary data is always more reliable than primary data.

  • True
  • False

💡 Hint: Consider the difference between firsthand research and literature reviews.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A class of 40 students got scores ranging from 0 to 100 in their exams. If their scores are distributed in a table, calculate the cumulative frequency from the simple frequencies provided.

💡 Hint: Start with the first frequency.

Question 2

Given a dataset of ages from different age groups, represent it graphically in both a frequency polygon and an ogive.

💡 Hint: Ensure to label your axes correctly.

Challenge and get performance evaluation