Question 45
The difference between the upper and lower limits of a class interval is called the ___ of the class interval ?
size The difference between the upper and lower limits of a class intervals called the size of the class interval
The value that is half way between the upper and lower limits of a class interval is called the ___.
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 ___.