#15 A moving average can be used to smooth which of the following? A) cyclical variation B) seasonal variation C) irregular variation D) All responses are correct Submit Answer format: Text unanswered not_submitted Attempts Remaining: 2 #16 Using the data below and the Nave forecast, what is the error calculation for the 3rd week? Week Time Series Value 1 24.00 2 6.00 3 12.00 4 21.00 Submit Answer format: Number: Round to: 0 decimal places. unanswered not_submitted Attempts Remaining: 2