Python Institute PCED-30-01 Practice Exams
Last updated on Oct 22,2026- Exam Code: PCED-30-01
- Exam Name: Certified Entry-Level Data Analyst with Python
- Certification Provider: Python Institute
- Latest update: Oct 22,2026
Which of the following color schemes is recommended for data visualization to ensure accurate interpretation of data?
- A . Vibrant and random color combinations
- B . A monochromatic color scheme
- C . Neon colors for emphasis
- D . A chaotic mix of colors
In which phase of the data modeling process is model validation typically performed?
- A . Data cleaning
- B . Data preprocessing
- C . Model building
- D . Model evaluation
What is the purpose of data analysis in the context of a Python programming for data analytics?
- A . To collect data
- B . To visualize data
- C . To interpret data
- D . To delete data
When working with a linear regression model, what is the primary goal of the analysis?
- A . Identifying outliers
- B . Predicting future values
- C . Assessing model assumptions
- D . Creating scatter plots
Which of the following Python libraries is commonly used for data analysis and modeling?
- A . TensorFlow
- B . Matplotlib
- C . NumPy
- D . Django
What is the purpose of feature engineering in data modeling?
- A . To create new features from existing ones
- B . To visualize data
- C . To evaluate model performance
- D . To clean data
What is the purpose of cross-validation in model evaluation?
- A . To split the data into training and test sets
- B . To reduce overfitting of the model
- C . To assess the model’s performance on unseen data
- D . To visualize the relationship between variables
What is the purpose of data acquisition in data analytics?
- A . Storing data
- B . Cleaning data
- C . Collecting and importing data
- D . Visualizing data
Which machine learning algorithm is commonly used for clustering in data modeling?
- A . Decision tree
- B . K-means
- C . Linear regression
- D . Random forest
What is the result of the following Python code? “`python a = 10 b = 5 result = a % b print(result) “`
- A . 2
- B . 5
- C . 0
- D . 1