Time Stamps ⌚ 00:00 Intro of the Video 00:24 Question 3 08:56 What is Frequency Polygon 10:01 How to Construct a Frequency Polygon 25:36 Question 4 34:30 What is Histogram 35:27 What are Class Boundaries 37:35 Procedure for Making the Histogram 39:37 How to Construct a Histogram You can Follow Us on Our Other Social Media Platforms. Instagram ID - @Mushahidalizafar Facebook Page - Mushahid Ali Zafar In this video I will explain you the solution of Unit 12 Exercise 12.1 Question 3,4 of class 9th Mathematics New Book Based On Punjab Curriculum TextBook Board. If you want to get the Lecture of Unit 12 Exercise 12.1 Question 1,2 of class 9th Mathematics New Book, so click on the below link. • Class 9th Math New Book Ch 12 Exercise 12.... Related searches - Class 9th Math New book 2025 9th Class Math New BOOK Exercise 12.1 Class 9 New Book Math Exercise 12.1 Mathematics 9th Class Exercise 12.1 New book 9 class math Exercise 12.1 Mathematics 9th New book Exercise 12.1 Book of 9th class Math Exercise 12.1 Exercise 12.1 of class 9 math New Book CLASS 9TH MATHEMATICS NEW BOOK 2025 Class 9 new maths Exercise 12.1 Mathematics class 9th Math Mathematics 9th Exercise 12.1 Class 9th Math Exercise 12.1 Mathematics 9 class Exercise 12.1 Unit 12 class 9th Math New Book Grouped data Un grouped data Raw data Frequency Frequency distribution Information handling Data Talley Marks Class limits Lower class limits Upper class limits Histogram Frequency Polygon #mathematics #maths #education #exam #class9maths #histogram #frequency #polygon #frequencydistribution #distribution