Refer to exercise 2. for yvonne’s survey, 96 students in the sample said they rarely or never argue with friends. a significance test yields a p-value of 0.0291.

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.