QUESTION 30 John has collected the following information on the amount of tips he has collected from parking cars the last seven nights. Day 1 2 3 4 5 E T -IEI--IEI- Compute the 3-day.' moving averages for Day 5 of the time series. Keep to one decimal place. QUESTION 31 John has collected the following information on the amount of tips he has collected from parking cars The last seven nights. Day 1 2 3 4 5 E T Tips 18 22 1? 1B 28 2D 12 Produoe exponential smoothing forecasts for Day 5 of the series using a smoothing constant of [1.8. Keep to one decimal place