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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

The marks of 14 students in a science test out of 50 are given below. 34, 23, 10, 45, 44, 47, 35, 37, 41, 30, 28, 32, 45, 39 Find the mean mark.

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Question

The marks of 14 students in a science test out of 50 are given below. 34, 23, 10, 45, 44, 47, 35, 37, 41, 30, 28, 32, 45, 39 Find the mean mark

Sum
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Solution

Mean marks = `"Sum of all marks"/"Total number of marks"`

= `(34 + 23 + 10 + 45 + 44 + 47 + 35 + 37 + 41 + 30 + 28 + 32 + 45 + 39)/14`

= `490/14`

Mean marks = 35

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Chapter 5: Statistics - Exercise 5.1 [Page 99]

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Samacheer Kalvi Mathematics - Term 3 [English] Class 7 TN Board
Chapter 5 Statistics
Exercise 5.1 | Q 3. (i) | Page 99

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