Construct a frequency distribution table for the number given below, using the class intervals 21-30, 31-40 … etc. 75, 67, 57, 50, 26, 33, 44, 58, 67, 75, 78, 43, 41, 31, 21, 32, 40, 62, 54, 69, 48, 47, 51, 38, 39, 43, 61, 63, 68, 53, 56, 49, 59, 37, 40, 68, 23, 28, 36, 47 Use the table obtained to draw:
(i) a histogram
(ii) an ogive
Construct a frequency distribution table for the number given below, using the class intervals 21-30, 31-40 … etc. 75, 67, 57, 50, 26, 33, 44, 58, 67, 75, 78, 43, 41, 31, 21, 32, 40, 62, 54, 69, 48, 47, 51, 38, 39, 43, 61, 63, 68, 53, 56, 49, 59, 37, 40, 68, 23, 28, 36, 47 Use the table obtained to draw:
(i) a histogram
(ii) an ogive

Solution:

Selina Solutions Concise Class 10 Maths Chapter 23 ex. 23 - 9

(i)

Selina Solutions Concise Class 10 Maths Chapter 23 ex. 23 - 10

(ii)

Selina Solutions Concise Class 10 Maths Chapter 23 ex. 23 - 11