Question

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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main question​

Answer 1

Answer:

1.high-81

low-56

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Answer 2

Answer:

(i) H-92, L-49

(ii) 43

(iii) 71

Step-by-step explanation:

(i) Highest marks obtained are 92 and lowest marks are 49

(ii) Range = 92-49 = 43

(iii) (67+75+49+81+79+73+92+66+72+56)/10 = 710/10 = 71

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