Given the table: Class Interval 10 – 15 15 – 20 20 – 25 25 – 30 30 – 35 Frequency 5 7 4 6 8 The class mark for the second class is

by
Question:

Given the table: Class Interval 10 – 15 15 – 20 20 – 25 25 – 30 30 – 35 Frequency 5 7 4 6 8 The class mark for the second class is

A.

27.5

B.

17.5

C.

12.5

D.

32.5

Answer» b. 17.5

Note: The above multiple-choice question is for all general and Competitive Exams in India.