Question

If mean of 5 observations is 20 and four observations are 7,23,16, and 35 then find fifth observation. *


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Answer 1

Answer:

19

Explanation:

Let the fifth observation be x

(7 + 23 + 16 + 35 + x) /5 = 20

(81 + x) /5 = 20

81 + x = 100

x = 19

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Answer 2

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