Educational Researchers Wish to Compare Students from Two School Districts

Multiple Choice

Educational researchers wish to compare students from two school districts (Brownsville School District and Midlands School District) on their levels of scientific literacy. They provide all students with the same test and calculate average scores for each sample. What would be an appropriate null hypothesis?

A) The sample of Midlands students are no different from the sample of Brownsville students.
B) Mean levels of scientific literacy are equal across both school districts.
C) Mean levels of scientific literacy are equal across both samples.
D) The population variance for scientific literacy is equal across both school districts.