Find the class size, class boundary and actual class boundary. , 9 | Statistics | MATHS | S CHAND | Do...

Find the class mark of the class 10 -20.

Find the class mark of the class 80-90.

Find the size of the class (a-b)-(a+b)

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

The class size of the class interval 60 - 68 is 8.

Find the mode of sizes of shirts of students in your class.

If in a frequency distribution table with 12 classes, the width of each class is 2.5 and the lowest class boundary is 6.1, then what is the upper class boundary of the highest class ?

In a frequency distribution table with 12 classes, the class-width is 2.5 and the lowest class boundary is 8.1, then what is the upper class boundary of the highest class?

If the width of each of the ten classes in frequency distribution is 2.5 and the lower class boundary of the lowest class is 5.1, then the upper class boundary of the highest class IS