NCERT Solutions for Class 9 Maths Chapter 14 Statistics Exercise 14.1 or Exercise 14.2 or Exercise 14.3 or Exercise 14.4 in English Medium or प्रश्नावली 14.1 or प्रश्नावली 14.2 or प्रश्नावली 14.3 or प्रश्नावली 14.4 in Hindi Medium to study online or download Apps and Solutions in PDF form.

Class 9: | Maths – गणित |

Chapter 14: | Statistics |

## NCERT Solutions for Class 9 Maths Chapter 14

Go Back to Class 9 Maths Main Page

#### Hindi & English Medium Solutions

Download Hindi Medium and English Medium NCERT Solutions of all subjects prepared according to Latest CBSE Syllabus 2019-20.

- Class 9 Maths Chapter 14 Exercise 14.1 Solutions
- 9 Maths Exercise 14.1 Solutions
- 9 गणित प्रश्नावली 14.1 के हल
- Download Exercise 14.1 in PDF

- Class 9 Maths Chapter 14 Exercise 14.2 Solutions
- 9 Maths Exercise 14.2 Solutions
- 9 गणित प्रश्नावली 14.2 के हल
- Download Exercise 14.2 in PDF

- Class 9 Maths Chapter 14 Exercise 14.3 Solutions
- 9 Maths Exercise 14.3 Solutions
- 9 गणित प्रश्नावली 14.3 के हल
- Download Exercise 14.3 in PDF

- Class 9 Maths Chapter 14 Exercise 14.4 Solutions
- 9 Maths Exercise 14.4 Solutions
- 9 गणित प्रश्नावली 14.4 के हल
- Download Exercise 14.4 in PDF

- NCERT Books for Class 9 All Subjects
- NCERT Exemplar Problems Solutions
- Study Material for 2019-20 – English Medium
- Study Material for 2019-20 – Hindi Medium

##### 9 Maths Exercise 14.1 Solutions

NCERT Solutions for Class 9 Maths Chapter 14 Statistics Exercise 14.1 is given below. Solutions of other questions visit to Exercise 14.2 or Exercise 14.3 or Exercise 14.4 or go for हिंदी मीडियम Solutions. Visit to Class 9 Maths main page or Top of the page.

##### 9 Maths Exercise 14.2 Solutions

Solutions for Class 9 Maths Chapter 14 Statistics Exercise 14.2 is given below. Solutions of other questions visit to Exercise 14.1 or Exercise 14.3 or Exercise 14.4 or go for हिंदी मीडियम Solutions. Visit to Class 9 Maths main page or Top of the page.

##### 9 Maths Exercise 14.3 Solutions

NCERT Solutions 9 Maths Exercise 14.3 is given below. For solutions of other questions visit to Exercise 14.1 or Exercise 14.2 or Exercise 14.4 or go for हिंदी मीडियम Solutions. Visit to Class 9 Maths main page or Top of the page.

##### 9 Maths Exercise 14.4 Solutions

Class 9 Maths Chapter 14 Exercise 14.4 is given below. For solutions of other questions visit to Exercise 14.1 or Exercise 14.2 or Exercise 14.3 or go for हिंदी मीडियम Solutions. Visit to Class 9 Maths main page or Top of the page.

##### 9 गणित प्रश्नावली 14.1 के हल

NCERT Solutions for Class 9 Maths Chapter 14 Statistics Exercise 14.1 in Hindi is given below. For solutions of other questions visit to प्रश्नावली 14.2 or प्रश्नावली 14.3 or प्रश्नावली 14.4 or go for English Medium Solutions. Visit to Class 9 Maths main page or Top of the page.

##### 9 गणित प्रश्नावली 14.2 के हल

9 Maths Chapter 14 Exercise 14.2 in Hindi is given below. For solutions of other questions visit to प्रश्नावली 14.1 or प्रश्नावली 14.3 or प्रश्नावली 14.4 or go for English Medium Solutions. Visit to Class 9 Maths main page or Top of the page.

##### 9 गणित प्रश्नावली 14.3 के हल

Solutions for 9 Maths Statistics Exercise 14.3 in Hindi is given below. For solutions of other questions visit to प्रश्नावली 14.1 or प्रश्नावली 14.2 or प्रश्नावली 14.4 or go for English Medium Solutions. Visit to Class 9 Maths main page or Top of the page.

##### 9 गणित प्रश्नावली 14.4 के हल

Class 9 Maths Chapter 14 Exercise 14.4 in Hindi is given below. For solutions of other questions visit to प्रश्नावली 14.1 or प्रश्नावली 14.2 or प्रश्नावली 14.3 or go for English Medium Solutions. Visit to Class 9 Maths main page or Top of the page.

Visit to Class 9 Maths main page or Top of the page

###### Important Terms & Definitions – Statistics

- Data: The facts or figures (observation / information collected) which are numerical or otherwise, collected with a definite purpose, are called data.
- Primary data: The data collected by the investigator himself for a definite plan or purpose, is known as primary data.
- Secondary data: The data which are not collected directly but obtained from some other sources (published or unpublished), is known as secondary data.
- Frequency Distribution: The number of entries of the data having their values lying in a class is defined as the frequency of the class. The table in which the corresponding frequency are written against each class, is called the frequency distribution of the given data.

- Class Interval: Class intervals are the groups in which all the observations are divided. Each class is bounded by two figures or numbers which are called class limits. The difference between the upper limit and the lower of a class is called class size.
- Frequency Polygon: A frequency polygon is the polygon obtained by joining the mid-points of upper horizontal sides of all the rectangle in the histogram. It can also be drawn independently without drawing histogram. For this we find class mark of each class interval.
- Mean: The mean of a number of observations is the sum of the values of all the observations divided by the total number of observations.
- Median: Median is that value of the given observation, which divides it into exactly two parts.

Mode: Mode is that value of the given data, which occurs most frequently.

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