4.5.8. Table 4.10 presents data given by Shewhart (1939, p. 118) on various atomic weights as reported in 1931 and again in 1936. Analyze the data. Check your assumptions.

Table 4.9: Burt’s IQ data.

Case y1 y2 Case y1 y2 Case y1 y2 1 82 82 10 93 82 19 97 87 2 80 90 11 95 97 20 87 93 3 88 91 12 88 100 21 94 94 4 108 115 13 111 107 22 96 95 5 116 115 14 63 68 23 112 97 6 117 129 15 77 73 24 113 97 7 132 131 16 86 81 25 106 103 8 71 78 17 83 85 26 107 106 9 75 79 18 93 87 27 98 111 Table 4.10: Atomic weights in 1931 and 1936.
Compound 1931 1936 Compound 1931 1936 Arsenic 74.93 74.91 Lanthanum 138.90 138.92 Caesium 132.81 132.91 Osmium 190.8 191.5 Columbium 93.3 92.91 Potassium 39.10 39.096 Iodine 126.932 126.92 Radium 225.97 226.05 Krypton 82.9 83.7 Ytterbium 173.5 173.04 Table 4.11: Peel-strengths.
Adhesive Observations A 60 63 57 53 56 57 B 52 53 44 48 48 53