Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • Convert the given frequency distribution into a continuous grouped frequency distribution: In which intervals would 153.5 and 157.5 be included ?

Convert the given frequency distribution into a continuous grouped frequency distribution:

Class interval Frequency
150-153 7
154-157 7
158-161 15
162-165 10
166-169 5
170-173 6

In which intervals would 153.5 and 157.5 be included?

Answers (1)

Given classes are :

150 - 153, 154 - 157, 158-161 and so on.

Consider any one class: 150-153

The lower limit of 154 -157 = 154

Upper limit of  150 - 153 = 153

Difference = 154 - 153 = 1

Half of the difference = 0.5

The new class interval formed = (150 - 0.5) - (153 + 0.5) = 149.5 - 153.5.

Similarly for other classes as well. So we get:

Class interval Frequency
149.5-153-5 7
153.5-157.5 7
157.5-161.5 15
161.5-165.5 10
165.5-169.5 5
169.5-173.5 6

Hence 153.5 belongs to the class interval 153.5 -157.5 and 157.5 belongs to the class interval 157.5 - 161.5

Posted by

infoexpert23

View full answer

Similar Questions

Latest Question