A government testing agency studies aspirin capsules to see if customers are getting cheated with capsules that contain lesser amounts of medication than advertised. Suppose the testing agent concludes the capsules contain a mean amount below the advertised level when in fact the advertised level is the true mean. Which type of error, if any, did the testing agency commit?
a. This is a Type I error.
b. This is a Type II error.
c. This is a Type O error.
d. This is a correct decision.
e. Need more information to answer this question.
Question 2
Briefly discuss the assumptions for inferences about the population median using the sign test.