United Dairies, Inc., supplies milk to several independent grocers throughout Dade County, Florida. Managers at United Dairies want to develop a forecast of the number of half-gallons of milk sold per week. Sales data for the past 12 weeks follow. 12 ' 3,150 (a) Construct a time series plot. 3400 3400 3200 3200 E 3000 E 3000 a 2800 a 2300 > > 3 2600 3 2600 E 2400 E 2400 2200 2200 2000 2000 0123456789101112 0123456789101112 0 Week (30 Week G) 3400 3400 3200 3200 E 3000 E 3000 '8 2300 '3 2300 > > 3 2600 3 2600 E 2400 53' 2400 2200 2200 2000 2000 0123456789101112 0123456739101112 0 Week (DO Week G) What type of pattern exists in the data? 0 The time series plot indicates a seasonal pattern. 0 The time series plot indicates a horizontal pattern. 0 The time series plot indicates a trend pattern. 0 The time series plot indicates a cyclical pattern. (0) Use exponential smoothing with a = 0.9 to develop a forecast of demand (in half-gallons} for week 13. (Round your answer to the nearest integer.) :i half-gallons