Exercise Question 1 John is responsible for coming up with a forecast of the number of visitors to Metro Zoo. He has gathered the following data on the number of visitors over the last seven weeks: Based on the data above, what is John's forecast of the number of visitors for week 8 using each of the following methods? a) Naive forecast. b) A three-period moving average c) A five-week weighted moving average using a weight of 0.3 for t1 (i.e., one period before), 0.25 for t2 (i.e., two periods before), 0.2 for t3 (i.e., three periods before), 0.15 for t4 (i.e., four periods before) and 0.1 for t5 (i.e., five periods before). d) An Exponential Smoothing method, assuming that the forecast for week 5 was 900 , using a value of 0.3 for