In which interval is the number 20 located in the class intervals 10-20 and 20-30? CLASS 9 | Statistics | MATHS...

Find the class-marks of the class interval 10-25.

Classes or Class Intervals

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

Write the comulative frequency of class interval 30-40

The lower class limit of inclusive type class interval 10-20.

In the class intervals 30-60, 60-90 the number 90 is included in

In the class interval 20 - 30, the lower class limit is _______

Find the class mark of the class 10 -20.

Find the class mark of the classes 20 − 30 and 30 − 40.

In the class intervals 10-20, 20-30, 20 is taken in the interval 10-20 (b) the interval 20-30 both intervals 10-20, 20-30 (d) none of the intervals