To gather information about the validity of a new standardized test for tenth-grade students in a particular state, a random sample of 15 high schools was selected from the state. the new test was administered to every 10th-grade student in the selected high schools. what kind of sample is this?

Lia doesn't like her personality psychology class because the instructor uses unannounced pop exams to test the students as a result, lila never knows when she will be tested instructor is testing her on a o foxed-ratio schedule o fxed-interval variable-ratio variable-interval

What decision were made by the first congress during its first year that shape the future of the government

Which of the following statements about imprisonment rates in the united states is true? the united states imprisons people at a higher rate than russia, mexico, or canada. the united states imprisons people at a lower rate than russia or south africa, but higher than israel. the united states imprisons people at a lower rate than russia, mexico, or canada. russia, south africa, and mexico each imprison more people than the united states.