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Python Institute PCED-30-02 Exam Syllabus Topics:

Python Institute PCED - Certified Entry-Level Data Analyst with Python Sample Questions:

1. A programmer writes a script to test operator precedence using the expression 3 + 4 * 2 ** 2. The goal is to evaluate the result correctly based on Python's operator hierarchy rules. What result should the script produce?

A) 35
B) 28
C) 49
D) 19

2. How do the analysis and visualization stages of the data lifecycle typically work together?

A) Analysis produces charts and graphs, while visualization interprets the data to detect outliers.
B) Analysis identifies patterns and insights in processed data, which are then communicated through visualizations for informed decision-making.
C) Analysis summarizes archived data, and visualization transforms it into structured tables for storage.
D) Analysis retrieves raw inputs from dashboards, while visualization uses that input to clean the data.

3. Which task is traditionally or typically performed by a data analyst, and not by a data scientist or analytics specialist? Select the best answer.

A) Designing a data pipeline to ingest and process real-time sensor data.
B) Creating summary tables and charts to describe patterns in historical data.
C) Recommending pricing strategies using predictive modeling and A/B testing.
D) Developing machine learning algorithms to predict user behavior.

4. You are working with city names entered by users. These names may contain inconsistent capitalization and unwanted spaces.
To standardize the data, you want to:
- Remove any leading or trailing whitespace, and
- Capitalize the first letter of each word (e.g., convert "new york" to "New York").
For example:
" New york " → "New York"
"lOS ANGELES" → "Los Angeles"
You are given a variable citythat contains the raw input.
Which line of code correctly updates the value of cleaned_cityto apply the required transformation? Select the best answer.

A) cleaned_city = city.strip().title()
B) cleaned_city = city.upper().replace(" ", "")
C) cleaned_city = city.upper().strip()
D) cleaned_city = city.strip().capitalize()

5. The following chart shows how a student spends 24 hours in a day:

Which statements are most accurate? (Choose two.)

A) Commuting is the second most time-consuming activity.
B) Leisure and meals combined equal the time spent at school.
C) Leisure accounts for a moderate portion of the student's daily schedule, larger than commuting but smaller than the time spent at school.
D) School and homework together take up half of the day's time.
E) Sleep and school take up the majority of time in a day.
F) More time is spent commuting than on leisure.

Solutions: