Python Institute PCED-30-01 Practice Exams
Last updated on Oct 21,2026- Exam Code: PCED-30-01
- Exam Name: Certified Entry-Level Data Analyst with Python
- Certification Provider: Python Institute
- Latest update: Oct 21,2026
When creating plots using Matplotlib in Python, which method is used to display the plot?
- A . show()
- B . plot()
- C . display()
- D . render()
What is the primary purpose of data visualization in the field of data analytics?
- A . To make data look visually appealing
- B . To communicate insights and trends in data effectively
- C . To confuse the audience with complex charts
- D . To simply represent data without any analysis
What is the central measure of location used to summarize a set of data in statistical analysis?
- A . Range
- B . Mean
- C . Standard deviation
- D . Variance
Which of the following is not a valid variable name in Python?
- A . my_var
- B . myVar
- C . 1_var
- D . _var
In statistical analysis, what does the standard deviation measure?
- A . The spread of data around the mean
- B . The central tendency of the data
- C . The strength of the relationship between variables
- D . The probability of an event occurring
Which Python library is commonly used for creating static, high-quality visualizations?
- A . Plotly
- B . Seaborn
- C . Matplotlib
- D . Bokeh
Which function in pandas is used to create a line plot from a DataFrame?
- A . plot()
- B . scatter()
- C . boxplot()
- D . hist()
Which type of correlation coefficient indicates a strong positive linear relationship between two variables?
- A . -1.0
- B . 1.0
- C . 0.5
- D . 0.0
Which of the following is true about Python’s function arguments?
- A . Python supports named arguments but not default arguments
- B . Python supports default arguments but not variable-length arguments
- C . Python supports default arguments, named arguments, and variable-length arguments
- D . Python does not support function arguments
What does the ‘if’ statement do in Python?
- A . Loops through a block of code as long as a specified condition is true
- B . Executes a block of code only if a specified condition is true
- C . Terminates the execution of a loop in Python
- D . Declares a new function in Python