The marks obtained by a group of students in a test are :
85, 76, 90, 85, 39, 48, 56, 95, 81, 75. Find the :
(i) Highest and lowest marks obtained by the students.
(ii) Range of the marks obtained.
(iii) Mean marks obtained by the students.
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Answer:
i) Highest marks = 95
Lowest marks = 39
ii) 39 to 95
iii) 73
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