Correct Answer:
Option A - Given,
Total number of students in a class is 40,
So, here the number of students row data given in cumulative frequency format.
Student of height 170 -175 is 40 –35 = 5
Student of height 165 -170 is 35 – 25 = 10
Number of students whose height 165 cm or more = 10 + 5 = 15
A. Given,
Total number of students in a class is 40,
So, here the number of students row data given in cumulative frequency format.
Student of height 170 -175 is 40 –35 = 5
Student of height 165 -170 is 35 – 25 = 10
Number of students whose height 165 cm or more = 10 + 5 = 15