DA0-002 Data Analysis Practice Question
In an A/B test, the null hypothesis states that there is no difference between the control and treatment groups. After running the test, the p-value is 0.04. Assuming α = 0.05, what is the correct conclusion?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Reject the null hypothesis
Since p-value (0.04) < α (0.05), we reject the null hypothesis, indicating a statistically significant difference.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Fail to reject the null hypothesis
Why it's wrong here
p-value < alpha, so we reject.
- ✓
Reject the null hypothesis
Why this is correct
Correct conclusion.
- ✗
Accept the null hypothesis
Why it's wrong here
We do not accept the null; we reject or fail to reject.
- ✗
The test is invalid because the p-value is too low
Why it's wrong here
A low p-value is not invalid.
Go deeper
Related to this question
About these practice questions
One of 986 original DA0-002 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DA0-002 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DA0-002 exam.