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Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions:

1. Which of the following statements correctly describe best practices when managing Python modules and packages in data analytics workflows?
(Choose two)

A) Always install packages system-wide for accessibility
B) Regularly update all packages using pip update all
C) Use virtual environments to isolate project dependencies
D) Use PIP to install and uninstall third-party libraries as needed

2. Which type of chart is most appropriate when comparing the distribution of a numerical variable across multiple categories?

A) Box plot
B) Pie chart
C) Line chart
D) Scatter plot

3. What is a best practice when organizing data in a spreadsheet for analysis?

A) Use consistent column headers across all sheets
B) Place charts in the middle of data tables
C) Merge cells to reduce redundancy
D) Apply conditional formatting to entire rows only

4. Which of the following is the most suitable data structure in Python for representing a tabular row with column names?

A) set
B) list
C) dictionary
D) tuple

5. Which SQL commands are typically used to retrieve and manipulate data in a data analysis context?
(Choose all that apply)
Response:

A) ROLLBACK
B) INSERT
C) SELECT
D) UPDATE

Solutions: