The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest class is 10. The upper class-limit of the highest class is:

Question

MCQ (Single)Class Interval and Class LimitsNCERT Exemplar

Let m be the mid-point and l be the upper class limit of a class in a continuous frequency distribution. The lower class limit of the class is:

In the class intervals 10-20, 20-30, the number 20 is included in: