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प्रश्न
A test out of 25 marks was given to 16 students and marks scored are recorded below:
25, 8, 14, 20, 16, 22, 10, 15, 8, 7, 24, 18, 19, 6, 11, 14
Find the mean marks
उत्तर
Marks scored by the 16 students
= 25 + 8 + 14 + 20 + 16 + 22 + 10 + 15 + 8 + 7 + 24 + 18 + 19 + 6 + 11 + 17
= 240
Mean marks = `(240)/(16)` = 15.
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