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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a continuous series?
💡 Hint: Think about how data can be shown in ranges.
Question 2
Easy
Define midpoint.
💡 Hint: How do you find the middle of a range?
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 a continuous series?
- A series of individual values
- Data grouped by intervals
- Data with no intervals
💡 Hint: Think of how we group age ranges.
Question 2
The arithmetic mean is calculated as?
- Sum of frequencies
- Σfm / total frequency
- The midpoint of midranges
💡 Hint: What do you sum up to find?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the class intervals of 0-20 (frequency 15), 20-40 (frequency 25), how do you compute the mean?
💡 Hint: Use the defined formula for mean!
Question 2
In a dataset with varying frequencies, ensure you use the step deviation method to find the mean of data organized into intervals like 15-25 with frequency 8, and then group it.
💡 Hint: Start by calculating the deviations correctly!
Challenge and get performance evaluation