The Marks (out of 100) obtained by a group of student in a mathematics test are 67, 75, 49, 81, 79,73, 92,
66, 72 and 56. 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.
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lesson :data handling
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Answer:
1 . Highest - 93 Lowest - 49
2. 92-49 = 43
3. Mean = 71.4
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