Class 9 Math: Statistics Solved Examples & Step Solutions
NexPro Tools Mathematics TeamJune 5, 20266 min read
The best way to gain confidence in mathematics is by studying solved examples. By analyzing how formulas are applied step-by-step, you learn how to tackle complex questions in your homework and exams. Let's walk through standard worked examples for Class 9 Statistics.
Step-by-Step Solved Problems
Example 1: Adjusting Frequency for Histogram
Question: For class interval 10-20, frequency is 30. If the minimum class width is 5, and active width is 10, find the adjusted frequency height.
Worked Solution Steps:
- Identify class width: 20 - 10 = 10.
- Identify min width: 5.
- Apply formula: F_adj = (30 / 10) * 5.
- Calculation: 3 * 5 = 15.
Final Answer: 15
Self-Practice Method
When studying these examples, cover the solution with a sheet of paper and attempt to solve the question on your own. If you get stuck, reveal the steps one by one to identify where your logic deviated. This active recall method builds long-term problem-solving skills.
š Class 9 Math Resource Hub for Statistics:
ā¢ š§® Interactive Solver: Solve Statistics Problems - Verify steps in real-time.
ā¢ š Timed Practice Quiz: Take Statistics Online Quiz - Test your speed and concepts.
ā¢ š Printable Worksheet: Download Statistics PDF Worksheet - Interactive problems with answers.
ā¢ š Formula Sheet: View Statistics Key Equations - Complete revision references.
ā¢ š Previous Topic Guide: Surface Areas and Volumes Study Notes
ā¢ š Syllabus Overview: Class 9 Mathematics Portal - Access all chapter guides.