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 is a common file format for sharing interactive data visualizations online?
- A . .csv
- B . .txt
- C . .json
- D . .html
Which of the following is a valid way to import a module named ‘math’ in Python?
- A . include math
- B . import math
- C . from math import *
- D . using math
Which of the following is not a valid variable name in Python?
- A . my_variable
- B . myVariable
- C . 1_variable
- D . _variable
What statistical test is used to compare means between more than two groups or conditions?
- A . Independent samples t-test
- B . Paired t-test
- C . ANOVA
- D . Wilcoxon signed-rank test
Which of the following is not an advantage of using data visualization in data analysis?
- A . Helps in identifying patterns and trends
- B . Makes it easier to communicate findings
- C . Increases complexity of the analysis
- D . Facilitates decision-making
What is the output of the following code snippet: “`python my_list = [1, 2, 3, 4, 5] print(my_list[2]) “`
- A . 1
- B . 2
- C . 3
- D . 4
Which of the following is a popular tool for creating web-based interactive visualizations?
- A . Tableau
- B . matplotlib
- C . D3.js
- D . Seaborn
In data pre-processing, what is the term used to describe handling missing values in a dataset?
- A . Feature Engineering
- B . Data Normalization
- C . Data Augmentation
- D . Imputation
What is the purpose of a heat map in data visualization?
- A . To display data points in a two-dimensional matrix
- B . To represent data values using colors in a matrix-like format
- C . To visualize hierarchical clustering results
- D . To show the distribution of a single variable