Using the data set (schl. txt), investigate the effect of the categorical predictor schl (school location: 1 = urban; 2 = suburban; 3 = rural) on the continuous outcome math (math scores).

Which the following is a common trait in a four year college

The graph shows the populations of two species in a particular region over two decades. based on the graph, what can you conclude about the relationship between the two species? a. the two species have a parasitic relationship. b. the two species are mutualistic in nature. c. the two species exhibit commensalism. d. the two species have a prey-predator relationship. e. the two species have a familial relationship.

What is the highest grade you can score on the act