2. To test the belief that sons are taller than their fathers, a student randomly selects 12 fathers who have adult male children. She records the height of both the father and the son in inches and obtaining the following data: 2 3 5 6 7 8 9 10 11 12 Height of father 70.3 67.1 70.9 66.8 72.8 60.4 71.8 70.1 69.9 70.8 70.2 70.4 = 69.242 height of son 74.2 69.3 66.8 69.2 68.9 70.2 70.4 69.3 75.6 72.4 69.1 68.5 - 3,9 - 2-2 4.1 - 2.4 - 9. 90 1-41 0.8 Are sons taller than their fathers using a=0.03 level of significance? D =+ 1, 0335 50= 4.085 0=0.03 = 1-0.03= 6.97