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Find the arithmetic mean of the following data X = (1, 3, 3, 7, 5, 0, 2, 9, 11, 8, 6).
1. 5
2. 6
3. 7
4. 3

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Best answer
Correct Answer - Option 1 : 5

Given:

X = (1, 3, 3, 7, 5, 0, 2, 9, 11, 8, 6)

Formula Used:

Arithmetic mean = Sum of terms/Number of terms

Calculations:

Number of terms = 11

Sum of terms = 1 + 3 + 3 + 7 + 5 + 0 + 2 + 9 + 11 + 8 + 6

⇒ Sum of terms = 55

Arithmetic mean = Sum of terms/Number of terms

⇒ Arithmetic mean = 55/11

⇒ Arithmetic mean = 5

∴ The arithmetic mean of the given data is 5.

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