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# NCERT Solutions for Class 10 Maths Chapter 13 Exercise 13.3 Statistics - PDF Download

Class 10

NCERT solutions for class 10 maths chapter 13 ex 13.3 Statistics is concerned with the concept of the median of a grouped data. Students must already understand that the median is a measure of central tendency which gives the value of the middle-most observation in the data. To figure out the median, you first need to arrange the data in ascending order.

Ex 13.3 of NCERT solutions class 10 maths chapter 13 will help the students study all three measures of the central tendency and see if there's an empirical connection between them. The three measures are the mean, median and mode.

NCERT solutions for class 10 maths chapter 13 ex 13.3 have been provided here in free PDF format, prepared by our subject experts. You can download the PDF version of these solutions to score high marks in board exams.

## Topics Covered in Exercise 13.3 Class 10 Mathematics Questions

NCERT solutions class 10 maths ex 13.3 covers questions related to the topic median of grouped data.

 1 Median of Grouped Data
1. Median of Grouped Data - If we put the numbers in ascending or descending order, then the middle number in the series will be the median. If number of series is even then the median is the average of the two middle numbers.

If n is odd, the median is the (n + 1 / 2)th observation.

if n is even, then the median will be the average of the n/ 2th and the (n/2 + 1)th observations

There is a empirical relationship between the three measures of central tendency :

3 Median = Mode + 2 Mean

## Tips for Solving Exercise 13.3 Class 10 chapter 13 Statistics

You can check tips provided by our subject experts to solve ex 13.3 questions easily.

1. To solve the questions of ex 13.3 of NCERT solution class 10 maths, students need to be familiar with the concepts of the three main measures of central frequency: mean, median and mode. These measures are used to measure central frequency in statistics chapter 13.

2. It's important to keep in mind that you can also figure out the median of groups of data with different class sizes when you're doing NCERT solutions for class 10 maths. Ex 13.3 from chapter 13 can help you with this.

## Importance of Solving Ex 13.3 Class 10 Maths chapter 13 Statistics

Here are some of the advantages that class 10 students will get from using NCERT solutions for class 10 maths chapter 13 Statistics.

1. Practicing these questions will guarantee that you have adequately studied and comprehended the ex 13.3.

2. This will help you to analyze your aptitude level, exam paper format, and the type of questions you may be asked in class 10 board exam.

3. Class 10 maths chapter 13 ex 13.3 presents a large number of problems that can be derived from the central tendency median especially on grouped data.

4. Once you have solved a few NCERT solutions, you will be able to solve the entire board exam questions in this chapter.

#### Frequently Asked Questions

Question 1. What is the formula of median of odd observation?

Answer 1. The formula of median of odd observation is (n + 1 / 2)th observation.

Question 2.  What is the relation between mean, medium and mode according to class 10 maths chapter 13 ex 13.3?

Answer 2. 3 median = Mode + 2 mean  is the relation between median, mode and mean according to ex 13.3 of class 10 maths chapter 13.