What is the interquartile of the data? 5, 8, 9, 9, 10, 12, 12, 15, 15, 15, 17, 17, 17, 19, 20, 21, 24, 26, 30.

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.