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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of a frequency polygon?
💡 Hint: Think about how it's constructed from a histogram.
Question 2
Easy
What is a class mark?
💡 Hint: Remember how we calculate it?
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 frequency polygon?
- A type of pie chart
- Graph connecting midpoints of a histogram
- A kind of bar graph
💡 Hint: Think about how frequencies are displayed in a graph.
Question 2
True or False: Class marks are calculated by adding the upper and lower limits of each class.
- True
- False
💡 Hint: Remember the formula for finding class marks.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the following data for the scores of 60 students:
| Class Interval | Frequency |
|---|---|
| 0 - 10 | 5 |
| 10 - 20 | 12 |
| 20 - 30 | 18 |
| 30 - 40 | 15 |
| 40 - 50 | 10 |
| 50 - 60 | 0 |
| 60 - 70 | 0 |
Construct a frequency polygon and explain any trends you notice.
💡 Hint: Start with finding midpoints and remember to plot all frequencies.
Question 2
Discuss how comparing two frequency polygons can provide insights into two different datasets. Provide a detailed example.
💡 Hint: Consider what factors might affect the distribution between two classes.
Challenge and get performance evaluation