DA0-002 Data Analysis Practice Question
In a simple linear regression model y = 2.5 + 1.2x, what is the predicted value of y when x = 10?
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
✓
14.5
Plug x=10: y = 2.5 + 1.2*10 = 2.5 + 12 = 14.5.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
12.0
Why it's wrong here
Missing the intercept.
- ✗
13.7
Why it's wrong here
Incorrect calculation.
- ✓
14.5
Why this is correct
Correct calculation.
- ✗
10.0
Why it's wrong here
Incorrect calculation.
Go deeper
Related to this question
About these practice questions
This DA0-002 question is part of Courseiva's 986-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. 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.