Q3 of 174 Page 597

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

The number 20 is included in class-interval 20 – 30,


Because,


Class interval 20 – 30 contains values, which are either equal to 20 or less than 30.

More from this chapter

All 174 →
1

The range of the data

12, 25, 15, 18, 17, 20, 22, 6, 16, 11, 8, 19, 10, 30, 20, 32 is

 2

The class mark of the class 100-120 is

 4

The class marks of a frequency distribution are 15, 20, 25, 30…..

The class corresponding to the class mark 20 is

 5

In a frequency distribution, the mild-value of a class is 10 and width of each class is 6. The lower limit of the class is