Table 3

Statistics for the different job tasks

Job typesAM (#/cm3)GM (#/cm3)SD (#/cm3)GSD (#/cm3)Maximum (#/cm3)Minimum (#/cm3)IQR (#/cm3)N
Operator of the slipforming machine1 022 6141 019 40882 5381.081 300 075856 480961 764–1 064 999191
Finishing the verge866 911862 23491 4611.111 126 561663 822820 465–896 916135
PVC welding1 663 966634 2851 694 7895.258 137 42616 606112 038–3 316 7571458
 Horizontally626 957239 9271 008 0563.878 137 42616 60682 826–719 181900
 Vertically3 336 5613 042 7131154.5861.646 408 931250 9652 408 941–4 116 922558
Background312 526257 246136 1842.15565 06120 197226 280–412 9892234
 Low range (break)40 02839 19981761.2362 34020 66534 920–44 374115
  • AM, arithmetic mean; GM, geometric mean; GSD, geometric SD, maximum value, minimum value; N, number of measurements.