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.

Explanation

To solve the problem step by step, we will follow these instructions:

### Step 1: Arrange the Marks in Ascending Order
First, we need to arrange the given marks in ascending order. The marks are:
85, 76, 90, 85, 39, 48, 56, 95, 81, and 75.

Arranging these in ascending order gives us:
39, 48, 56, 75, 76, 81, 85, 85, 90, 95.
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