The Arithmetic mean of the observations 4, 5, 8, 10, 13 is a) 4 b) 8 c – InterviewSolution

1.	The Arithmetic mean of the observations 4, 5, 8, 10, 13 is a) 4 b) 8 c) 13 d) none of these
Answer» OPTION b) 8Explanation:Given data points, xi = 4 , 5, 8, 10, 13 ⇒ ∑xi = 40 n = 5 ARITHMETIC MEAN = ∑xi / n = 4 + 5 + 8 + 10 + 13 / 5 = 40 / 5 = 8

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