Consider the following time series data. Week 5 Valu 11 18 13 (a) Construct a time series plot. 20 18 The Series Value Time Series Value Time Series Value Time Series Value 2 5 2 3 5 G 2 3 5 G 2 3 G Week Week Week Week What type of pattern exists in the data? D The data appear to follow a seasonal pattern. O The data appear to follow a trend patter. O The data appear to follow a cydical pattern. The data appear to follow a horizontal pattern. (b) Develop the three-week moving average forecasts for this time series. [ Round your answers to two decimal places.) Week Time Series Value Forecast 1 19 2 12 3 16 11 15 67 18 13.00 13 1500 Compute MSE. (Round your answer to two decimal places.) MSE - 16.93 What is the forecast for week 77 14