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RD Sharma Class 11 Solutions Chapter 32 - Statistics (Ex 32.2) Exercise 32.2

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Last updated date: 14th Apr 2024
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MVSAT 2024

RD Sharma Class 11 Solutions Chapter 32 - Statistics (Ex 32.2) Exercise 32.2 - Free PDF

Statistics is the branch of Mathematics that deals with the study of collecting, analyzing, interpreting, organizing and presenting the data in some predefined manner. The Chapter Statistics is full of calculations and formulas, so the student must train to make their calculation speed faster and should learn each formula from this Chapter. Questions given in the RD Sharma book Exercises are good enough practice to make your calculation speed faster.

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Free PDF download of RD Sharma Class 11

Free PDF download of RD Sharma Class 11 Solutions Chapter 32 - Statistics Exercise 32.2 solved by Expert Mathematics Teachers on Vedantu. All Chapter 32 - Statistics Ex 32.2 Questions with Solutions for RD Sharma Class 11 Maths to help you to revise the complete Syllabus and Score More marks.

FAQs on RD Sharma Class 11 Solutions Chapter 32 - Statistics (Ex 32.2) Exercise 32.2

1. What are the most important terminologies used in the RD Sharma Class 11 Solutions Chapter 32 - Statistics? 

These are some of the important terminologies that a student must know about as they are frequently used in RD Sharma Class 11 Chapter 32 of Statistics:-

 

Range: Range is said to be the difference between the two extreme observations of given data Distribution, Range = Maximum Value - Minimum Value.

 

Arithmetic Means: Arithmetic Mean (or just Mean) is defined as the sum of all the observations divided by the total number of observations available in the given data.

 

Median: It is said to be the centre most value of a given set of values in a given observation if they are arranged in a particular manner.

 

Mode: The value which appears the most times in a given set of values is called a Mode.

2. List some of the most important topics and subtopics covered in Class 11 Chapter 32 Statistics.

Let us take a look at some of the most important topics and subtopics covered in the RD Sharma Class 11 Chapter 32 - Statistics, they are written down below - 

  • Measurement of dispersion

  • “Range” and other important terminologies.

  • Mean Deviation

    • Mean Deviation for ungrouped data and discrete Frequency Distribution.

    • Mean Deviation of grouped or continuous Frequency Distribution.

  • Limitations of Mean Deviation

  • Variance and standard Deviation of

    • Individual observations

    • Discrete Frequency Distribution

    • Continuous Frequency Distribution

  • Analysis of Frequency Distribution

Students can know more about these topics by practicing questions given in the RD Sharma book for Class 11. To help students easily grasp all these topics, we at Vedantu provide Free solutions to all the questions included in Chapter 32 - Statistics. 

3. How many Exercises are there in Chapter 31 and where I can find solutions for those Exercises?

The RD Sharma Class 11 Chapter 32 - Statistics, comprises seven Exercises in total, Which includes a lot of calculations and the use of formulas. 

The students will be able to find the solutions for all those Exercises of Chapter 31 on the website of Vedantu. Links to the solutions of the question of all Exercises of Chapter 32 (Statistics) of Class 11 are given down here - 

4. Give the list of important formulas that are used in Chapter 32 - Statistics.

Maths has always been full of important formulas, especially for Chapter 32 - Statistics this Chapter is full of complex calculations and formulas. To ace this Chapter, the student must get a hold of all the formulas used in it. Here is the list of the most important formulas of Statistics that a student must know.

  • Range = Maximum Value - Minimum Value of a given data

  • Mean Deviation for ungrouped data 

x̅ = ∑|xi - x̅| / n

  • Mean Deviation for grouped data

x̅ = ∑|xi x̅| / N, where N is ∑fi 

  • Variance for ungrouped data

σ2 = ∑(xi - x̅)2/ n

  • Variance for grouped data

σ2 = ∑fi(xi - x̅)2/ N, where N is ∑fi 

5. What does Exercise 32.2 entails and how many questions are there in this Exercise?

There are a total of seven Exercises included in the RD Sharma Class 11 Chapter 32 - Statistics, Ex 31.2 is the second Exercise in the list. The first Exercise covered the basic terminologies of the Statistics and Mean Deviation in simple questions. Once the student gets to know what is Mean Deviation is and how to find it in a simple question, this Exercise will have the student calculate the Mean Deviation of a discrete Frequency Distribution.