Graphic Methods for Presenting Facts
Though these orders of over twenty -five packages do not involve a large amount of clerical work, they nevertheless bring in such a large percentage of the revenue that any dividends from this particular department must probably be paid from the revenue brought in by orders in excess of twenty-five packages each.
The general methods used in plotting Fig. 157 have been considered at rather great length because it is felt that a chart of this
GRAPHIC METHODS
Per Cent & No of Orders
Percent 8t No, of Orders
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Size of Order in Number of Pieces
Fig. 158. Cumulative Frequency Curve Study of the Number and the Size of All Orders Handled During One Week in a Certain Kind of Freight-handling Work Carried on in Two Closely-related Departments
Curve "H" shows by small circles the actual number of orders found in each size-ot-order-elass. Note that at the left of the chart there are numerous orders shown in each class even though here the limits of each class have been purposely made very close together