The following marks are obtained by students in a test :`82,72,91,90,86,85,92,70,71,83,89,94,85,79,62`.Find the range of the marks

Let following marks were obtained by the students in a test: 81,72,90,90,86,85,92,70,71,83,89,95,85,79,62 The range of the marks is 9 (b) 17 (c) 27 (d) 33

The marks (out of 100) obtained by a group of students in a science test are 85,76,90,85,39,48,56,95,81 and 75. Find the : Range of the marks obtained.

The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the: Range of the marks obtained.

The marks (out of 100) obtained by a group of students in a science test are 85,76,90,85,39,48,56,95,81 and 75. Find the : Highest and the lowest marks obtained by the students.

The marks (out of 100) obtained by a group of students in a science test are 85,76,90,85,39,48,56,95,81 and 75. Find the : Mean marks obtained by the group.

The marks (out of 100) obtained by a group of students in a science test are 85,76,90,85,39,48,56,95,81 and 75. Find the: (i) Highest and the lowest marks obtained by the students.(ii) Range of the marks obtained.(iii) Mean marks obtained by the group.