Asmall café sels cups of iced coffee and keeps a record of the number of cups sold over each thrd (a fourimonth period) during 2014, 2015 and 2016· the results-re shown in the table below. t 6 1 plot a graph which shows the sales and the moving averages. draw a line of best fit through the moving averages. this should be b) l11 c) done by eye (ie. there is no need to find the equation of the line of regression). use your line of best fit to estimate the next moving average. the first third of 2017. t 2 1 d) e) use your answer to part [d] to predict the number of cups sold during l1.1 131