b) Civil engineers have developed a 3D model to predict the response of jointed concrete pavements to temperature variations. To check this model, they measured the change in traverse strain on six different occasions and compared this to the modelled values. The table below was obtained. Change in Strain Field Modelled Measurement Measurement Date Jul 25 Aug 4 Aug 16 Sep 3 Oct 26 Nov 3 -58 69 35 -32 -40 -83 -52 59 32 -24 -39 -71 Use the Minitab output below to answer the following question Minitab Output 4.4 (iii) Test whether the differences between the measurements are normally distributed. State your - hypothesis, Ho Data are normally distributed HA Data are not normally distributed - the test statistic, -0.71 - p-value, 0.508 - decision reject(enter 1)/do not reject(enter O), - conclusion Note for conclusion: (if you think significantly evident data is normally distributed, enter 1) (if you think significantly evident data is not normally distributed, enter O), Minitab Output 4.4: Probability Plot of C1 Normal - 95% CI 99 95 Mean -2.333 StDev 8.017 N 6 AD 0.170 P-Value 0.879 90 80 Percent 70 60 50 40 30 20 10 5 1 - -40 -30 -20 -10 0 10 20 30 C1 b) Civil engineers have developed a 3D model to predict the response of jointed concrete pavements to temperature variations. To check this model, they measured the change in traverse strain on six different occasions and compared this to the modelled values. The table below was obtained. Change in Strain Field Modelled Measurement Measurement Date Jul 25 Aug 4 Aug 16 Sep 3 Oct 26 Nov 3 -58 69 35 -32 -40 -83 -52 59 32 -24 -39 -71 Use the Minitab output below to answer the following question Minitab Output 4.4 (iii) Test whether the differences between the measurements are normally distributed. State your - hypothesis, Ho Data are normally distributed HA Data are not normally distributed - the test statistic, -0.71 - p-value, 0.508 - decision reject(enter 1)/do not reject(enter O), - conclusion Note for conclusion: (if you think significantly evident data is normally distributed, enter 1) (if you think significantly evident data is not normally distributed, enter O), Minitab Output 4.4: Probability Plot of C1 Normal - 95% CI 99 95 Mean -2.333 StDev 8.017 N 6 AD 0.170 P-Value 0.879 90 80 Percent 70 60 50 40 30 20 10 5 1 - -40 -30 -20 -10 0 10 20 30 C1