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      Question

      For the given 6 values 15, 24, 18, 33, 42, 54, the three

      yearly moving averages are -
      A 19, 25, 31, 43 Correct Answer Incorrect Answer
      B 19, 25, 30, 43 Correct Answer Incorrect Answer
      C 19, 25, 31, 42 Correct Answer Incorrect Answer
      D 19, 17, 30, 42 Correct Answer Incorrect Answer

      Solution

      To mind moving average, following steps are undertaken: 1.    Add up the first 3 numbers in the list and divide your answer by 3. ... 2.    Add up the next 3 numbers in the list and divide your answer by 3. ... 3.    Keep repeating step 2 until you reach the last 3 numbers.   Thus, we get 19, 25, 31, 43

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