in the class interval 250 - 275, 250 is known as

in the class interval 250 - 275, 250 is known as
Answer
Brief Explanations:
In a class - interval like (a - b), (a) is the lower - class limit. Here, for the class interval (250 - 275), (250) is the starting value of the interval which is defined as the lower - class limit.
Answer:
Lower - class limit