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AP Board Class 8 Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbook Solutions PDF: Download Andhra Pradesh Board STD 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Book Answers

AP Board Class 8 Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbook Solutions PDF: Download Andhra Pradesh Board STD 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Book Answers
AP Board Class 8 Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbook Solutions PDF: Download Andhra Pradesh Board STD 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Book Answers


AP Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbooks Solutions and answers for students are now available in pdf format. Andhra Pradesh Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Book answers and solutions are one of the most important study materials for any student. The Andhra Pradesh State Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 books are published by the Andhra Pradesh Board Publishers. These Andhra Pradesh Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 textbooks are prepared by a group of expert faculty members. Students can download these AP Board STD 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 book solutions pdf online from this page.

Andhra Pradesh Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbooks Solutions PDF

Andhra Pradesh State Board STD 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Books Solutions with Answers are prepared and published by the Andhra Pradesh Board Publishers. It is an autonomous organization to advise and assist qualitative improvements in school education. If you are in search of AP Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Books Answers Solutions, then you are in the right place. Here is a complete hub of Andhra Pradesh State Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 solutions that are available here for free PDF downloads to help students for their adequate preparation. You can find all the subjects of Andhra Pradesh Board STD 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbooks. These Andhra Pradesh State Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbooks Solutions English PDF will be helpful for effective education, and a maximum number of questions in exams are chosen from Andhra Pradesh Board.

Andhra Pradesh State Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Books Solutions

Board AP Board
Materials Textbook Solutions/Guide
Format DOC/PDF
Class 8th
Subject Maths
Chapters Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3
Provider Hsslive


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AP Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
The following table gives the distribution of45 students across the different levels of intelligent Quotient. Draw the histogram for the data.

Solution:

Steps of construction:
1. Calculate the difference between mid values of two consecutive classes
∴ h = 75 – 65 = 10
∴ Class interval (C.I) = 10

2. Select such a right scale
on X-axis 1 cm = 10 units
on Y-axis 1 cm 1 student

3. Construct a histogram with C.Is as width and frequencies as lengths.

Question 2.
Construct a histogram for the marks obtained by 600 students in the VII class annual
examinations.

Solution:
Classes will be prepared on class marks.
Step – 1: Take the difference between the mid values of two consecutive classes.
∴ h = 400 – 360 = 40

Step – 2: Let the lower and upper boundaries be taken as x – ℎ2 , x + ℎ2
∴ x – ℎ2 = 360 – 402 = 360 – 20 = 340
x + ℎ2 = 360 + 402 = 360 + 20 = 380

Step – 3 : Select the scale
on X-axis 1 cm = 1 C.I (mid values)
on Y-axis 1 cm = 20 students

Step – 4 : Take C.I’s as width, frequencies as lengths.
Then construct the histogram.

Class Marks Class Interval Frequency
360 340- 380 100
400 380- 420 125
440 420-460 140
480 460-500 95
520 500-540 80
560 540-580 60

Scale : On Y – axis no. of students = 20, On X – axis take marks of students.

Question 3.
Weekly wages of 250 workers in a factory are given in the following table. Construct the histogram and frequency polygon on the same graph for the data given.
using the histogram. (Use separate graph sheets)

Solution:

Class Interval
(Weekly wages)
Frequency
(No. of workers)
Mid values
500-550 30 525
550-600 42 575
600-650 50 625
650-700 55 675
700-750 45 725
750 -800 28 775
N = 250

Steps of constructIon:

  1. C.I. = Difference of two consecutive mid values = h = 575 – 525 = 50
  2. Scale : On X-axis 1 cm = ₹ 50
    On Y-axis 1 cm = lo members
  3. Take on X-axis width of C.I, on Y-axis frequncies.
  4. Keep points A, B, C, D, E, F, G, H on the mid points of rectangles.
  5. The area of a histogram is equal to the area of a polygon.

Question 4.
Ages of 60 teachers in primary schools of a Mandai are given in the following frequency distribution table. Construct the Frequency polygon and frequency curve for the data without using the histogram. (Use separate graph sheets)

Solution:
Construction of frequency polygon:

  1. Class interval = The difference between two mid values of classes
    = 30 – 26 = 4
  2. Scale : On X-axis take the age of teachers
    On Y-axis take number of teachers.
  3. Scale: On X-axis 1 cm = 4units
    On Y- axis 1 cm = 2 units
  4. Take the widths of classes on X – axis. Frequencies on Y – axis.
  5. The points are formed on the graph sheet are joined by a scale then the required frequency polygon and if the points are joined by hand frequency curve will be formed.

Question 5.
Construct class intervals and frequencies for the foliowing distribution tabie. Also draw the ogive curves for the same.

Solution:
Steps of constructIon:
Step – 1: If the given frequency distribution is in inclusive form, then convert it into an
exclusive form.

Step – 2: Calculate the less than cumulative frequency.

Step – 3: Mark the upper boundaries of the class intervals along X-axis and their corresponding cumulative frequencies along Y-axis.

Select the scale:
X – axis 1 cm = 1 class interval
Y – axis 1 cm = 10 students

Step – 4: Also, plot the lower boundary of the first class (upper boundary of the class previous to first class) interval with cumulative frequency 0.

Step – 5: Join these points by a free hand curve to obtain the required ogive.
Similarly we can construct ‘greater than cumulative frequency curve by taking greater than cumulative on Y – axis and corresponding ‘lower boundaries’ on the
X-axis.


AP Board Textbook Solutions PDF for Class 8th Maths


Andhra Pradesh Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbooks for Exam Preparations

Andhra Pradesh Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 exam preparation. The AP Board STD 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Books State Board syllabus with maximum efficiency.

FAQs Regarding Andhra Pradesh Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbook Solutions


How to get AP Board Class 8th Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Textbook Answers??

Students can download the Andhra Pradesh Board Class 8 Maths Chapter 7 Frequency Distribution Tables and Graphs Ex 7.3 Answers PDF from the links provided above.

Can we get a Andhra Pradesh State Board Book PDF for all Classes?

Yes you can get Andhra Pradesh Board Text Book PDF for all classes using the links provided in the above article.

Important Terms

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