NCERT Solutions for Class 7 Mathematics Chapter 3
Important NCERT Questions
Class vii Math Chapter 3 Data Handling Exercise 3.1
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 2
Organize the following marks in a class assessment, in a tabular form: 4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7. (i) Which number is the highest? (ii) Which number of the lowest? (iii) What is the range of the lowest? (iv) Find the arithmetic mean
Share
(i) The highest number is 9.
(ii) The lowest number is 1.
(iii) The range of the data is 9 – 1 = 8
(iv) Arithmetic mean = 4+6+7+5+3+5+4+5+2+6+2+5+1+9+6+5+8+4+6+7/20 = 100/20 = 5
Class 7 Maths Chapter 3 Exercise 3.1
for more answers vist to:
https://www.tiwariacademy.com/ncert-solutions/class-7/maths/chapter-3/