data science course singapore data science course singapore | Page 26

Observations
•  Older buses have higher cost of maintenance
•  There is some variaHon (case to case)
•  The rise in cost is about $ 80 per year of age
•  It may be possible to use ‘age’ to forecast maintenance
cost
•  Forecast would not be a ‘certain’ predicHon – there would
be some error
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