Exercise 12.1 Q. 4-5 Chapter 12 New SYALLBUS Lecture 91: Histogram & Polygon (PTB)
Автор: MathWala Abu Bakar
Загружено: 2025-12-09
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Описание:
Welcome to Lecture 91! This crucial video for Class 9 students provides the detailed, step-by-step solutions for Questions 4 and 5 from Exercise 12.1 of the New Punjab Textbook Board (PTB) SYLLABUS. We focus on the practical application of Unit 12: Information Handling and graphical representation:
Question 4: We tackle a problem based on Grade 10 student marks, covering the complete process to Classify the data into a Frequency Distribution (taking 5 as the number of classes), finding the Class Limit with the Least Frequency, and constructing the final Histogram for the data.
Question 5: We demonstrate how to efficiently draw a Frequency Polygon on a Histogram using the given frequency distribution table.
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#MathWalaAbuBakar #NewSYLLABUS #Chapter12 #Class9Maths #PTB #Exercise12_1 #Histogram #FrequencyPolygon #DataHandling #Lecture91
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