The table below gives details of the electricity generated in million kilowatt hours in each quarter for the years 2002 to 2004.

Question

  Quarter Year 1$^{st}$ 2$^{nd}$ 3$^{rd}$ 4$^{th}$ 2002 8 7 6 9 2003 10 7 7 10 2004 11 7 8 10 Calculate the four quarterly moving averages and show these moving averages on a graph.Comment on the general trend. This question has multiple parts. Therefore each part has been answered as a separate question on Clay6.com