Table 3.14 shows the index numbers associated with transport costs during a 20-year period. The public transport costs reflect changes to bus and train fares, whereas private transport costs include purchase, service, petrol, tax and insurance costs of cars.

(1) Which year is chosen as the base year?
(2) Find the percentage increases in the cost of public transport from
(a) 1995 to 2000 

(b) 2000 to 2005 

(c) 2005 to 2010 

(d) 2010 to 2015
(3) Repeat part (2) for private transport.
(4) Comment briefly on the relative rise in public and private transport costs during this 20-year period.

Transcribed Image Text:

Year 2005 1995 2000 2010 2015 Public transport Private transport 100 100 130 198 180 224 199 245 221 125