For each of the following scenarios, determine which hypothesis test would be appropriate.
Choose from the following 3 hypothesis tests:
1 sample t-test 2 sample t-test paired t-test
a. A teacher compares the scores of students in her class on a standardized test with the
national average score.
Answer: __________________________
b. A teacher compares the pretest and posttest scores of students.
Answer: __________________________
c. 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.
Answer: __________________________
d. A teacher calculates the average score of students on a pair of tests and wishes to see if this
average score is larger than 80%.
Answer: __________________________