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Q1) Following data signify market share for repair of cars and light trucks in 1996 and 2006.

Sources	1996 (%)	2006 (%)
Foreign specialists	3.9	6.0
Parts stores	7.3	6.4
Repair specialists	12.7	16.2
Service stations	39.1	29.5
Tire stores	8.1	8.9
Vehicle dealers	21.6	26.6
Others	7.3	6.4

a) For each year, create a bar chart and a pie chart.

b) create a side by side bar chart of market share in 1996 and 2006.

c) Based on results of parts a. and b., what changes in market share have happened between these years?

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