5. Three brands of paint were tested for their ability to withstand fading by painting several panels with each brand. After all the panels had been exposed to the same weather conditions for 6 months, the following scores were recorded: Brand A Brand B Brand C Note: TA = 347 To= 266 Tc= 44/7 50 48 58 43 43 54 nA = 6 nB = 5 nc= 8 48 49 64 77 57 60 70 69 53 Zxij 2= 60876 59 64 52 42 Do the data provide sufficient evidence to indicate a significant difference in the mean fading scores for the three brands of paint? Use a 0.05 level of significance. 13 marks