Statistics in Railways - An Introduction
Sources:
Manual of Statistical Instruction Volume 1
Statistics Manual 1 - Introduction
Origin of the word Statistics: German “Statistik” means Description of a State or a Country
Definition: The discipline that concerns the collection, organization, analysis, interpretation and presentation of Data.
Characteristics:
Numerically expressed
Aggregate of facts
Systematically collecting the Data
Should be comparable to each other.
Data are collected for a planned purpose.
Statistics in Indian Railways:
Statistics Organization Incharge - Director Statistics & Economics, who works under the control of Member Finance in Railway Board.
Statistical Officer is incharge at Zonal Railways, who works under the control of PFA
History of Indian Railways:
Official Use - Printed triennially (every 3 years).
Sale to the Public - Published Sexennially (every 6 years)
From 1969 onwards - Published decennially (every 10 years)
Factors - Railway Statistics: The Railway Statistics are based on the followin factors:
Quantity - Expressed in number of tonnes and passengers transported and earnings derived.
Distance - Expressed in Kilometres
Duration - In Hours and Days
Service - In Trains, Vehicles, Wagons & Engines
Tonne Kilometres ( Fundamental Unit) - Tonnes & Kilometres ( Primary Units)
Passenger Kilometres (Fundamental Unit) - Passengers & Kilometres (Primary Units
Derivative Unit = Primary/Fundamental Unit + Primary/Fundamental Unit
Derivative Units | Primary / Fundamental Units | Primary/Fundamental Units |
Earnings Per Passenger | Passenger Earnings (Primary) | Passengers carried (Primary) |
Earnings per Passenger per Kilometre | Passenger Kilometres (Fundamental) | Passenger Earnings (Primary) |
Average distance travelled by Passenger or Lead | PKM-Passenger KiloMetres (Fundamental) | Number of Passengers (Primary)
|
Average load in Wagons per Train | Wagon KiloMetres (Fundamental) | Goods Train Kilometres (Fundamental)
|
Principal Heads - Statistics in Indian Railways are grouped as under:
SN | Principal Heads / Groups | Consists of : |
1 | Economic & Financial Statistics | Tri-monthly approximate figures of earnings (every 10 days), Traffic handled in the shape of passengers booked, monthly statistics of tonnage lifted and wagons loaded and of revenue and expenditure |
2 | Transportation Statistics | No of trains run, Train KMs, Shunting KMs, Wagon/Vehicle KMs, Engine KMs etc |
3 | Commercial Statistics | No of Passengeers /Tonnes carried, PKM, NTKM, Average Lead, Average fare/Rate, Claims etc |
4 | Rolling Stock & Workshop Repair Statistics | Repair & Maintenance of Rolling Stock, Engine failures, Hot Boxes, Outturn etc |
5 | Administrative Statistics | No of Staff, Sick days, Accidents, Pay Scales and Physical Statistics like Route KMs, No of Railway Stations, Gradients, curvature of the P.Way. |
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