The difference between the upper and lower limits of a class interval is called the ___ of the class interval.

Question 45

The difference between the upper and lower limits of a class interval is called the ___ of the class interval ?

In a class interval if only lower limit of the class interval is included in the class limit then that class interval is called ___.

Fill in the blanks :
(i) Lower class limit of 15-18 is ___ .
(ii) Upper class limit of 24-30 is ___.
(iii) Upper limit of 5-12.5 is ___.
(iv) If the upper and the lower limits of a class interval are 16 and 10; the class interval is ___.
(v) If the lower and the upper limits of a class interval are 7.5 and 12.5; the class interval is ___.

The value that is half way between the upper and lower limits of a class interval is called the ___.