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 Python libraries is commonly used for data pre-processing tasks such as cleaning and transforming data?
- A . NumPy
- B . Matplotlib
- C . TensorFlow
- D . Pandas
What will be the output of the following code snippet? “`python my_str = "Hello World" print(my_str[2:5]) “`
- A . ello
- B . llo
- C . ell
- D . World
Which keyword is used in Python to exit a loop before it completes all its iterations?
- A . break
- B . continue
- C . pass
- D . stop
What is the correct way to comment out multiple lines of code in Python?
- A . // This is a comment
- B . /* This is a comment */
- C . # This is a comment
- D . ”’ This is a multi-line comment ”’
Which of the following is an advantage of using seaborn for data visualization in Python?
- A . Limited customization options
- B . High-level interface for creating attractive plots
- C . Slow rendering speed
- D . Limited compatibility with other libraries
Which statistical test is used to determine if there is a significant difference between the means of two independent groups?
- A . T-test
- B . ANOVA
- C . Chi-square test
- D . Regression analysis
In Python, what does the ‘==’ operator do?
- A . Checks if two values are equal
- B . Assigns a value to a variable
- C . Checks if a number is odd or even
- D . Multiplies two numbers
What is the correct way to comment a single line of code in Python?
- A . // This is a comment
- B . /* This is a comment */
- C . # This is a comment
Which of the following is used to perform integer division in Python?
- A . /
- B . //
- C . *
- D . %
Which statistical analysis technique is used to assess the goodness of fit between the observed and expected values in a contingency table?
- A . t-test
- B . ANOVA
- C . Chi-square test
- D . Regression analysis