Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are tally marks used for?
💡 Hint: Think about how we visually represent numbers.
Question 2
Easy
Which interval does the number 25 fall into?
💡 Hint: Look for the range that includes 25.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the main purpose of classification in data analysis?
💡 Hint: Think about the reason why we sort numbers.
Question 2
What is a tally mark?
💡 Hint: Do you remember how we represent counts visually?
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
Given a dataset containing: 12, 22, 22, 36, 47, 50, and 68, classify the data points, draw tally marks for each interval, and compute the total frequency.
💡 Hint: Use the class intervals carefully while classifying.
Question 2
If a study shows frequencies of: 0-10: 3, 10-20: 5, and 20-30: 4, what classifications would change if 2 more numbers are added to the 10-20 group?
💡 Hint: Focus on how new data affects the existing count.
Challenge and get performance evaluation