# ICSE Class 9 Mathematics Revision Notes Chapter 18 – Statistics

A statistic is a process of gathering and organizing data to analyse and present it in a meaningful manner. Even the smallest decisions are based on statistics. When this chapter is upgraded  in higher classes, and to succeed, one must have a firm grasp of its fundamentals.

Students first learn about the definition of Statistics as well as the different types of variables,  of any quantities that change over time. Then, it gradually explains to them what  data tabulation is, or how  data can be represented in tabular form.

The ICSE Class 9 Mathematics Revision Notes Chapter 18 continue with discussions of frequency and its distribution into various types. Students should be familiar with class intervals, class limits, and related topics like adjustment, class size, and class marks to comprehend this. The ideas of cumulative frequency and cumulative frequency table mark the conclusion of the first section. These topics can be understood better with the help of ICSE Class 9 Mathematics Revision Notes Chapter 18.

## Revision Notes for ICSE Class 9 Mathematics Chapter 18 – Free PDF Download

There are 10 sections in the Statistics chapter for students of Class 9 ICSE. These sections present new  and some challenging topics to the students. However, before the exam, adding the ICSE Class 9 Mathematics Revision Notes Chapter 18 to the revision schedule can be extremely helpful  to the students and their preparation for the exams. Some of the major sections of the chapter are, , Variable, Tabulation of Data, Frequency, Frequency Distribution, etc.

Students can learn more about the subject and the overall curriculum for the subject by reading through the Class 9 Mathematics ISC and ICSE Syllabus. There are many ICSE Important Questions, and ICSE Solutions available for students who want to fully comprehend the subject and the ICSE concepts. Students can use the ICSE Sample Question Papers as a practice tool, but attempting these papers requires a thorough comprehension of every topic in detail.. Students can fully understand the course topics and chapters as well as the subject’s concepts and chapters by going  through the ICSE Revision Notes. The ICSE Question Papers can always be used as a reference, even though some subjects may be difficult.

### Sections of Chapter 18 – Statistics

It may  be difficult for students to succeed in ICSE Class 9 due to its challenging nature. Homework and understanding complex chapter end exercises  are the main challenges in this class. Students who are unfamiliar with the material may have difficulty with this task. An interactive and engaging   learning environment is provided by ICSE Class 9, which is  excellent  for students. With the help of the ICSE Class 9 Mathematics Revision Notes Chapter 18, students can overcome all of these multiple challenges.

In addition to the multiple sections of the chapter, there are also two  exercises full of multiple in-text questions from  the chapter. The questions in these exercises are important because there is a very high chance of expecting them  in the examinations. These questions may appear  tough for some  students, and they get l intimidated by the chapter and the vast syllabus. . Going through the ICSE Class 9 Mathematics Revision Notes Chapter 18 has proven to be helpful for most of the  students. These concise notes allow students to understand the topics in a jiffy, eliminate their doubts , and retain the learned information which comes handy while solving tricky questions. .

### List of Exercises in Chapter 18 – Statistics

Exam time is crucial for all  students, and there are multiple reasons for it. Every student knows the strong areas, but the weaker areas need a little more focus to upgrade their conceptual understanding of the topics. Students can refer to the ICSE Class 9 Mathematics Revision Notes Chapter 18  for topics that they think are challenging. Statistics also appeals to several students because it has several infographics and diagrams. It is a different approach toward the subject, away from the complex calculations. This makes it fun for students to revise the chapter with the help of ICSE Class 9 Mathematics Revision Notes Chapter 18 and stay motivated.

### Revision Notes for ICSE Class 9 Mathematics Chapter 18 – Free PDF Downloads

When exams are round the corner , it is easy for students to lose track of the topics they have covered, and the ones that are yet to be covered for the examinations. All the topics in the chapter can be revised  with the help of  ICSE Class 9 Mathematics Revision Notes Chapter 18. These ICSE Class 9 Mathematics Revision Notes Chapter 18 are available for students on the Extramarks’ website and app. Resources like these help restore  students’ confidence  before the examinations, which is very crucial.

It is also easier for students to grasp pointers than text and paragraphs. Topic-wise pointers in the ICSE Class 9 Mathematics Revision Notes Chapter 18 ease the process of learning for students, and also makes it less time consuming. . Referring to the ICSE Class 9 Mathematics Revision Notes Chapter 18 also makes learning interactive and motivates students to improve their performance gradually through consistent and rigorous practice.