The following graph shows the sales of cars (in thousands)in four cities in 4 years. Study the graph and answer the question.
In 2019, what is the average number of sales among all four cities?
From the graph,
In 2019, the average number of sales among all four cities =Â $$\frac{4100+4300+4900+4900}{4}=\frac{8200}{4}=4550$$
Hence, the correct answer is Option D
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