Chapter 12:  Dimensions of packing cartons (in centimeters, from
front to back).

Col 1: Time 
Col 2-5: Measurements (in cm)
Col 6: Average (in cm)
Col 7: Std Dev (in cm)
Col 8: Range (in cm)
Row 26: Averages

 6:30 am   25.1 25.5 25.0 25.1    25.175  0.222   0.50
 7:30      24.8 25.2 25.1 24.9    25.000  0.183   0.40
 8:30      25.1 25.2 25.2 25.2    25.175  0.050   0.10 
 9:30      25.1 25.4 24.8 25.0    25.075  0.250   0.60
10:30      25.2 24.7 24.9 25.3    25.025  0.275   0.60
11:30      25.2 25.2 25.0 25.1    25.125  0.096   0.20
12:30 pm   25.2 25.2 25.2 25.3    25.225  0.050   0.10 
 1:30      25.2 25.1 25.3 25.0    25.150  0.129   0.30
 2:30      24.9 25.1 25.2 24.8    25.000  0.183   0.40
 3:30      25.1 25.1 25.3 25.4    25.225  0.150   0.30
 4:30      25.4 25.0 25.1 24.9    25.100  0.216   0.50
 5:30      25.3 25.2 25.1 25.5    25.275  0.171   0.40
 6:30      25.2 25.1 25.5 25.2    25.250  0.173   0.40
 7:30      25.0 24.9 25.6 25.2    25.175  0.310   0.70
 8:30      25.1 25.2 25.1 25.1    25.125  0.050   0.10
 9:30      25.0 25.0 24.9 25.0    24.975  0.050   0.10
10:30      25.3 25.1 25.3 24.9    25.150  0.191   0.40
11:30      25.2 25.1 25.2 25.1    25.150  0.058   0.10
12:30 am   25.1 25.1 25.4 24.8    25.100  0.245   0.60
 1:30      25.4 25.0 25.2 25.0    25.150  0.191   0.40
 2:30      24.8 25.2 25.0 25.0    25.000  0.163   0.40
 3:30      25.3 25.4 25.2 25.3    25.300  0.082   0.20
 4:30      25.1 24.8 25.2 25.1    25.050  0.173   0.40
 5:30      25.0 25.4 25.1 25.1    25.150  0.173   0.40
 6:30      25.1 25.3 25.3 25.2    25.225  0.096   0.20
                                  25.134  0.1572  0.352