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Python Institute PCAD-31-02 Exam Syllabus Topics:

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

1. What will the following function return?
def average(*args):
return sum(args) / len(args)
average(4, 5, 6)

A) Error
B) (4, 5, 6)
C) 5.0
D) 15

2. What is the correct sequence to connect to a database and execute a query using the sqlite3 module in Python?

A) Commit → Connect → Execute → Close
B) Execute → Connect → Commit → Close
C) Connect → Execute → Commit → Close
D) Connect → Commit → Execute → Close

3. Which methods are typically used to assess relationships between variables in exploratory data analysis?
(Choose two)

A) Histogram analysis
B) Scatter plots
C) Correlation matrix
D) Box plots

4. When analyzing a dataset of customer ages, you calculate the mean, median, and mode. What does it indicate if all three values are approximately equal?

A) The dataset is uniformly distributed
B) The dataset contains outliers
C) The dataset has a normal distribution
D) The dataset is positively skewed

5. Which of the following statistical measures are considered measures of central tendency?
(Choose two)

A) Mode
B) Variance
C) Mean
D) Interquartile range

Solutions: