Systembolaget employs forecasting to predict the number of bottles they think they will sell the next day. Below are the number of the bottles sold each day throughout the five-day work week for past three weeks: 140, 172, 144, 112, 162, 135, 158, 174, 146, 172, 163, 141, 162, 138, 159. Employ a five day moving average to forecast number of bottles which Systembolaget expect to sell throughout the upcoming week!
What is the forecast for next time period if Systembolaget employs exponential smoothing with the smoothing constant of .2?