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Python Institute PCAD-31-02 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Statistical Methods and Modeling | ||
| Data Visualization and Communication | ||
| Exploratory Data Analysis | ||
| Data Acquisition and Pre-Processing | 29.2% | |
| SQL and Data Management |
Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions:
1. Which chart types are commonly used to represent relationships between two numerical variables in Python-based visualizations?
(choose two)
Response:
A) Scatter plot
B) Heatmap
C) Line chart
D) Histogram
2. Why might using a pie chart to represent category proportions be less effective than a bar chart?
A) Bar charts are limited to one variable only
B) Pie charts display individual data points more clearly
C) Human perception is less accurate at judging angles than lengths
D) Pie charts cannot be created using Seaborn
3. Which element is essential to justify a conclusion drawn from a dataset?
A) File format of the source data
B) The origin of the dataset
C) The use of color in plots
D) Logical reasoning and supported metrics
4. Which SQL commands can be used to modify the contents of a table's data directly?
(Choose all that apply)
A) SELECT
B) DELETE
C) UPDATE
D) INSERT
5. Which storage system is best suited for storing and retrieving large volumes of unstructured data, such as images or logs?
A) In-memory databases
B) Object storage systems
C) Relational databases
D) Data cubes
Solutions:
| Question # 1 Answer: A,B | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: C,D | Question # 5 Answer: B |








