The monthly percentage of all shipments received on time was tracked over the past 12 months. (a) Construct a time series plot. What pattern(s) does the time series exhibit? O a. Cyclical pattern 0 b. Positive linear trend 0 0. Seasonal pattern 0 d. Negative linear trend 0 e. Positive nonlinear trend (b) Using a 3-period moving average, what are the forecasted values for the months of August, September and October? 0 a. 84.33%, 83.67% and 83%, respectively 0 b. 84%, 84.33% and 83.67%, respectively 0 c. 84%, 82% and 83%, respectively (0) Using exponential smoothing with o = 0.2, what are the forecasted values for the months of June, July and August? 0 a. 83.02%, 83.8% and 84.76%, respectively 0 b. 81.8%, 82.24% and 82.79%, respectively 0 c. 81.5%, 81.8% and 82.24%, respectively Month Percent on time January 80 February 82 March 84 April 83 May 83 June 84 July 85 August 84 September 82 October 83 N November 84 December 83