#20 Using the data below, what is the 3 period moving average forecast for the 4th week? unanswered Week Time Series Value not submitted Attempts Remaining: 2 1 24.00 2 21.00 3 14.00 4 17.00 Submit Answer format: Number: Round to: 1 decimal places. #21 o Using the data below, calculate the bias based on using the nave forecast method. unanswered Week Time Series Value not submitted 1 14.00 Attempts Remaining: 1 2 12.00 3 13.00 4 5.00 Submit Answer format: Number: Round to: 1 decimal places