Question

For the given five values 15, 24, 18, 33, 42 the three years moving averages are
(a) 19, 22, 33
(c) 19, 30, 31
(b) 19, 25, 31
(d) None of the above
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Answer 1

Answer:

(c) 19, 25, 31 is the correct answer.