Graphic Methods for Presenting Facts
That some of the foremen receive as low as $6.00 per week and that only 93 per cent of the foremen receive over $11.00 per week is due to the fact that some of the men were off because of sickness or on leave of absence. If the attendance of these men were more regular the curves would not have such a decided peak at $11.00 per week. Though Fig. 156 has been plotted on a "more than" basis, the reader may, if he wishes, read it on a "less than" basis by referring to the right-hand scale which has zero at the top instead of at the bottom of the page.
Fig. 156 was made directly from typewritten copy with only the curves and the marginal lines drawn in by hand. This same universally ruled paper has been referred to elsewhere as being con-
GRAPHIC METHODS
venient for general use. Here the paper is used to indicate 100 per cent in the vertical direction, and the horizontal scale is chosen for data unrelated to time.
No of Percent & Pieces No orOrders
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