Question

Let x, y, z be three observations. The mean of these observations is

(a) (x × y × z)/3

b) (x + y + z)/3

(c) (x – y – z)/3

(d) (x × y + z)/3

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Answer 1

Answer:

The answer is option (b) (x + y + z)/3

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Answer 2

Answer:

b is the right answer. so you mark b