In an examination, 25 students obtained the following marks. Find out coefficient of range of the marks.

5 students obtained following marks in Statistics: 20,35,25,30,15 Find out range and coefficient of range.

Following are the marks obtained by 20 students in statistics. Find out coefficient of variation of the marks.

Marks obtained by 100 students of a class are given below. Find out range and coefficient of range of the marks.

The given graph shows the marks obtained by students in an examination The number of students who obtained less than 300 marks is what percent more than the number of students who obtained 350 or more marks

The given graph shows the marks obtained by students in an examination. The number of students who obtained less than 300 marks is what percent more than the number of students who obtained 350 or more marks?

The given pie chart shows the marks obtained (in degrees) by a student in different subjects . The total marks obtained by the student in the examination is 432. The marks obtained in Maths is how much percent more than the marks obtained in Science?

In an examination, a student requires 40% of the total marks to pass. If the student secures 185 marks and fails by 15 marks, find the total marks.

In an examination,a student had to obtain 33% of the maximum marks to pass.He got 125 marks and failed by 40 marks.The maximum marks were