RD Sharma Class 9 Solutions Chapter 23 Exercise 23.3 (Updated for 2021-22)

RD Sharma Class 9 Solutions Chapter 23 Exercise 23.3

RD Sharma Class 9 Solutions Chapter 23 Exercise 23.3: These solutions are created by our experts to provide you the best possible accurate solutions for you. They will be very beneficial for Class 9 board exams top score good marks in the first attempt. You can download RD Sharma Class 9 Solutions Chapter 23 Exercise 23.1 easily from the link provided below. 

Download RD Sharma Class 9 Solutions Chapter 23 Exercise 23.3

 


RD Sharma Class 9 Solutions Chapter 23 Exercise 23.3

Access RD Sharma Class 9 Solutions Chapter 23 Exercise 23.3

Question 1.
Construct a histogram for the following data:
Graphical Representation of Statistical Data Class 9 RD Sharma Solutions Ex 23.3
Solution:
RD Sharma Class 9 Solution Chapter 23 Graphical Representation of Statistical Data
Histogram is given below:
Class 9 RD Sharma Solutions Chapter 23 Graphical Representation of Statistical Data

Question 2.
The distribution of heights (in cm) of 96 children is given below. Construct a histogram and a frequency polygon on the same axes.
Class 9 Maths Chapter 23 Graphical Representation of Statistical Data RD Sharma Solutions
Solution:
RD Sharma Book Class 9 PDF Free Download Chapter 23 Graphical Representation of Statistical Data
Histogram and frequency polygon is given here.
Draw midpoints Of each rectangle at the top and join them to get a frequency polygon.
RD Sharma Class 9 Book Chapter 23 Graphical Representation of Statistical Data

Question 3.
The time taken, in seconds, to solve a problem by each of 25 pupils is as follows:
16, 20, 26, 27, 28, 30, 33, 37, 38, 40, 42, 43, 46, 46, 46, 48, 49, 50, 53, 58, 59, 60, 64, 52, 20
(a) Construct a frequency distribution for these data, using a class interval of 10 seconds.
(b) Draw a histogram to represent the frequency distribution.
Solution:
Lowest observation = 16,
Highest observation = 64
Graphical Representation of Statistical Data With Solutions PDF RD Sharma Class 9 Solutions
Below is given the histogram
RD Sharma Class 9 Maths Book Questions Chapter 23 Graphical Representation of Statistical Data

Question 4.
Draw, in the same diagram, a histogram and a frequency polygon to represent the following data which shows the monthly cost of living index of a city in a period of 2 years:
RD Sharma Mathematics Class 9 Solutions Chapter 23 Graphical Representation of Statistical Data
Solution:
RD Sharma Math Solution Class 9 Chapter 23 Graphical Representation of Statistical Data

Question 5.
The following is the distribution of total household expenditure (in Rs.) of manual worker in a city:
RD Sharma Class 9 Questions Chapter 23 Graphical Representation of Statistical Data
Draw a histogram and a frequency polygon representing the above data.
Solution:
Maths RD Sharma Class 9 Chapter 23 Graphical Representation of Statistical Data
Here is given histogram and frequency polygon.
RD Sharma Class 9 PDF Chapter 23 Graphical Representation of Statistical Data

Question 6.
The following table gives the distribution of IQ’s (intelligence quotients) of 60 pupils of class V in a school:
Graphical Representation of Statistical Data Class 9 RD Sharma Solutions
Draw a frequency polygon for the above data.
Solution:
RD Sharma Class 9 Solution Chapter 23 Graphical Representation of Statistical Data
Now plot the (mid point, frequency) on the graph and join them to get a frequency polygon.
Class 9 RD Sharma Solutions Chapter 23 Graphical Representation of Statistical Data

Question 7.
Draw a histogram for the daily earnings of 30 drug stores in the following table:
Class 9 Maths Chapter 23 Graphical Representation of Statistical Data RD Sharma Solutions
Solution:
RD Sharma Book Class 9 PDF Free Download Chapter 23 Graphical Representation of Statistical Data/>
Hisotgram is given below:
RD Sharma Class 9 Book Chapter 23 Graphical Representation of Statistical Data

Question 8.
The monthly profits (in t) of 100 shops are distributed as follows:
Graphical Representation of Statistical Data With Solutions PDF RD Sharma Class 9 Solutions
Draw a histogram for the data and show the frequency polygon for it.
Solution:
RD Sharma Class 9 Maths Book Questions Chapter 23 Graphical Representation of Statistical Data
Histogram and frequency polygon is given below:
RD Sharma Mathematics Class 9 Solutions Chapter 23 Graphical Representation of Statistical Data

We have included all the information regarding CBSE RD Sharma Class 9 Solutions Chapter 23 Exercise 23.3. If you have any query feel free to ask in the comment section. 

FAQ: RD Sharma Class 9 Solutions Chapter 23 Exercise 23.3

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