A teacher compares the pretest and posttest scores of students?
A teacher compares the scores of students using a computer-based method of instruction, with the scores of other students using a traditional method of instruction?
A teacher compares the scores of students in her class on a standardized test with the national average score?
A teacher calculates the average of scores of students on a pair of tests and wishes to see if this average is larger than 80%?
A teacher compares the scores of students using a computer-based method of instruction, with the scores of other students using a traditional method of instruction?
A teacher compares the scores of students in her class on a standardized test with the national average score?
A teacher calculates the average of scores of students on a pair of tests and wishes to see if this average is larger than 80%?