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Question
Ages of 15 students in 8th standard is 13, 12, 13, 14, 12, 13, 13, 14, 12, 13, 13, 14, 13, 12, 14. Find the mean age of the students
Solution
Aarithmetic Mean = `"Sum of all observations"/"Number of observations"`
= `(13 + 12 + 13 + 14 + 12 + 13 + 13 + 14 + 12 + 13 + 13 + 14 + 13 + 12 + 14)/15`
= `195/15`
= 13
Mean age of the students = 13
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