Question

Class interval	26-30	31-35	36-40	41-45	46-50
Frequency	4	7	15	5	3

Which of the following class interval includes the data value 35?

• A. 31-35
• B. 36-40
• C. 31-45
• D. None of these.

Answer 1

The correct option is A 31-35

Class interval in table are inclusive in nature.

Class intervals like 1-10, 11-20, ... are called inclusive class intervals because both upper and lower limit belong to that particular class interval.

The data value 35 falls in the second class interval (31 - 35).