5. The weekly demand of a product (in tonnes) is given below. Use

appropriate techniques to analyse the data, assuming that information is

provided at the end of each week.

Week Demand (Tn) Week Demand (Tn) 25 8 26 7.5 8.5 27 7 7 28 6.5 8.5 29 10.5 8 30 9.5 8.5 31 8 10.5 32 10 8.5 33 8 11 34 4.5 7.5 35 10.5 9 36 8.5 6.5 37 9 6.5 38 7 6.5 39 7.5 40 10.5 6.5 41 10 9 42 7.5 43 11 44 5.5 45 9 6. 46 5.5 47 9.5 48