aCAP Practice Online

Question 1

What is the goal of exploratory data analysis (EDA)?

A : To validate data hypotheses

B : To explore and understand data patterns

C : To optimize data algorithms

D : To clean and prepare data

Answer: B

Question 2

What is the purpose of checking for influential data points in regression models?

A : To increase data volume

B : To identify data points that disproportionately affect the model

C : To simplify data preparation

D : To test for normality of residuals

Answer: B

Question 3

Why is it important to understand the context of the data during acquisition?

A : To increase data volume

B : To ensure data accuracy and relevance

C : To select visualization tools

D : To simplify data analysis

Answer: B

Question 4

What is the key difference between descriptive and prescriptive models?

A : Descriptive models explain the past, while prescriptive models suggest actions for the future

B : Descriptive models forecast outcomes, while prescriptive models analyze data

C : Descriptive models provide recommendations, while prescriptive models describe trends

D : Descriptive models analyze data, while prescriptive models provide explanations

Answer: A

Question 5

What is "grid search" in the context of model tuning?

A : A technique to optimize hyperparameters by exhaustively searching through a predefined set

B : A method to evaluate multiple models simultaneously

C : A way to preprocess data for modeling

D : A technique for selecting features

Answer: A

Name:	Associate Certified Analytics Professional (aCAP)
Exam Code:	aCAP
Certification:	INFORMS Certification
Vendor:	INFORMS
Total Questions:	596
Last Updated:	Jun 06, 2025