Which of the following is true about Type I and Type II errors?
I. Type I errors are always worse than Type II errors.
II. The severity of Type I and Type II errors depends on the situation being tested.
III. In any given situation, the higher the risk of Type I error, the lower the risk of Type II error.
A) II only
B) I only
C) I and III
D) II and III
E) III only

Question

Quizplus · Accepted Answer

Statement I is not always true as the severity of the errors depends on the context. Sometimes, Type II errors can be severe, for example, in medical testing where a false negative result can mean a missed diagnosis leading to serious health consequences. Statement II is true as the severity of the errors depends on the specific situation being tested. Statement III is also true as increasing the threshold for Type I error (i.e., decreasing alpha value) reduces the probability of committing a Type I error but increases the probability of committing a Type II error (i.e., decreasing beta value). Therefore, the best choice is D.

Which of the Following Is True About Type I and Type