SummaryThe establishing of standards in the transport trade by correlation analysisA firm of wholesale grocers have to deliver, once a week, goods to their clients according to their varying specifications. Delivery is effectuated by the firm's motor trucks.Observations of standing and moving times were made by means of automatically recording instruments.Standard time of delivery is given by the equation:T = 2,29G + 10,64K + 1,82A + 19,11T… standard time in minutesG… total weight to deliver, in 100 kgK… number of clients to visitA… total distance to be covered