Python Institute Python Institute Certification PCAD-31-02

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

1. Which statements correctly describe differences between linear and logistic regression?
(Choose two)

A) Linear regression applies only to classification tasks
B) Logistic regression outputs probabilities, while linear regression predicts continuous values
C) Logistic regression uses the logit function to model relationships
D) Linear regression requires target variables to be binary

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

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

3. What is the recommended Python library to connect and extract tabular data directly from an Excel file?

A) openpyxl
B) matplotlib
C) csv
D) sqlite3

4. Which of the following best describes the purpose of the plt.subplot() function in Matplotlib?

A) It links Matplotlib with Seaborn's grid styling
B) It configures multiple plots in a grid layout within a single figure
C) It creates a 3D surface plot using pandas
D) It overlays multiple plots in the same figure without axes

5. When creating a line chart with Matplotlib, which function is most appropriate to add a text label at a specific data point?

A) plt.xlabel()
B) plt.title()
C) plt.annotate()
D) plt.legend()

Solutions: