Question
Download Solution PDFWhat is the mean deviation of first 10 even natural numbers?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Mean deviation =
Where,
∑x = sum of all observations,
n = number of observations.
Calculation:
First 10 even natural numbers are
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
Mean,
X̅ =
⇒ X̅ = 11
Therefore, the mean value is 11
Now, subtract each mean from the first 10 even natural numbers, and ignore the minus symbol if any
⇒ Mean deviation =
⇒ Mean deviation
⇒
∴ The mean deviation of the first 10 even natural numbers is 5.
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