## NCERT Solutions for Class 9 Maths Chapter 14 (Ex 14.4)

NCERT Solutions for Class 9 Maths Chapter 14: Statistics - Exercise 14.4

## FAQs on NCERT Solutions for Class 9 Maths Chapter 14: Statistics - Exercise 14.4

1. What will I learn in this chapter?

Statistics chapter is one of the simplest chapters among all other chapters of CBSE Class 9 Maths Solutions. This chapter is connected to the arithmetic calculations which includes grouped data, ungrouped data and the measures of central tendencies. This also explains about frequency, mean, median and mode. Our NCERT Solutions for Class 9 Maths Chapter 14 consists of 4 exercises which have 26 questions in total and these questions cover the major topics of the chapter. Solutions provided to these are easy and simple to understand.

2. What are the main concepts that are covered in this chapter?

Statistics is a division of mathematics that deals with the combination of data, organization, analysis, presentation and interpretation. Apart from the math topic, Statistics play a vital role in various fields of human actions. A study dealing with the presentation, collection and interpretation and analysis of information is called statistics.

Topics that are included in this chapter are data, frequency, ungrouped data, grouped data, class interval, regular and irregular class interval, frequency table, sorting, ungrouped frequency table, grouped frequency table, graphical representation of data, bar graphs, variable being a number, histogram, frequency polygon, midpoint of the class interval, equality of areas and measures of central tendency which includes average, mean, mode and median.

It is used to examine about the things happening around us, the existing position of per capita income, community growth rates, schooling, unemployment, housing, medical, facilities, for forecasting the weather, marks of a student to predict the age and lot more.

3. How many questions are there in this exercise?

There are a total of 6 questions in this exercise. In question 1 and question 2, you’ll have to find the mean, median and mode of the scores made by a team. In question 3 you will be provided with the median of the data and you’ll have to find the value of x in it. Question 4 is based on the mode, you’ll be provided with the frequency and for which you need to find the mode.

Question 5 is based on the mean concept. You will be given the table based on the salary for which you need to find the mean for it. Question 6 is a scenario-based question, which is totally based on the mean concept.

4. Why are NCERT solutions much needed for the CBSE exam preparation?

Our NCERT Solutions for Class 9 Maths are provided with a complete explanation and relevant examples. These solutions are in a methodical way which helps you in increasing up a strong base of all the topics. We make sure that all the points and sub-topics are covered from each and every chapter and we also have sketched these solutions in a way to initiate your learning process more fun, interesting and delightful.

You can learn and revise these solutions as they will make your task simpler. These solutions follow a logical flow to make your conceptual knowledge stronger. Our NCERT solutions to the exercise question and in-between exercise questions are in a well-structured manner to make your learning fast and effective.

5. Is this the only exercise available on Statistics for Class 9?

Exercise 14.4 is the fourth exercise that deals with Statistics in Class 9 Maths. The previous exercises cover various other topics and concepts that are relevant to Statistics. This exercise deals with the concepts of mean, median, and mode. The questions in this exercise help students in grasping and getting a tight hold of these concepts, which will ultimately prove beneficial in the examination. You can also check for the NCERT Solutions of Class 9 Maths Chapter 14 Ex-14.4 on the Vedantu app as well as the website.

6. Why must one look towards the NCERT solutions for Class 9 Maths Chapter 14?

The NCERT solutions are designed to provide students with a strong base before they are met with complicated questions in the examination. The various exercises that the solutions offer will help the student attain a stronghold of the concepts of Class 9 Maths Chapter 14. With the practise of these exercises, the student will be able to answer any question that is asked from this particular chapter. The student can download these solutions for free from the website of Vedantu and the app.

7. What routine should one follow to be able to solve these questions?

To solve a question, one needs to be fully acquainted with the basics. Therefore, before solving a question, practising the basics becomes extremely important. Thus, one has to be aware of the concepts to solve a question, not only in this exercise but also in the examination. The routine, therefore, has to be based on polishing their concepts and understanding of the topics first and then solving numerous exercises on that topic to get a hold over it. For checking the answers, you can visit the page NCERT Solutions of Class 9 maths.

8. What are the real-time applications of the concepts present in this exercise?

The mean, median and mode help present different perspectives of the same data. These concepts are widely used in the healthcare industry and by insurance analysts. For instance, it helps insurance analysts to calculate the mean age of the individuals to whom they provide insurance. Thus, it helps them analyse the mean age of their customers.

9. What are the basics to understand while solving questions concerning mean, median, and mode?

The mean of a particular dataset is usually deduced by adding all numbers given in that particular dataset and then dividing it by the number of values present in the set. The median is the middle value when the data is arranged from the least to the greatest and mode is the number that appears the most in a particular data set. To have further knowledge on these topics, download the PDF of NCERT Solutions of Class 9 maths free of cost from the Vedantu website.