In hypothesis-testing analysis, a type I error occurs only if
A) the null hypothesis is rejected when it is true
B) the null hypothesis is rejected when it is false
C) the null hypothesis is not rejected when it is false
D) the null hypothesis is not rejected when it is true

Question

Quizplus · Accepted Answer

A type I error, also known as a false positive, occurs when the null hypothesis is mistakenly rejected when it is actually true. This means that the researcher has concluded that a significant effect or difference exists when there is actually no effect present. Therefore, option A is the correct answer as it describes the scenario where the null hypothesis is wrongly rejected.

In Hypothesis-Testing Analysis, a Type I Error Occurs Only If