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?

In 2019, what is the average number of sales among all four cities?

4550

Total sale of 2019 = 4.1 + 4.3 + 4.9 + 4.9 = 18.2

Average sale of 2019 = \(\frac{18.2 }{4}\)  = 4.55