Free Python Institute PCED Exam Questions
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Python Institute PCED Exam Questions
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Provided By: Python Institute
- Exam: Certified Entry-Level Data Analyst with Python
- Certification: PCED
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Total Questions: 382
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Updated On: Apr 30, 2025
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Rated: 4.9 |
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Online Users: 764
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Question 1
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You are working with a logistic regression model for a binary classification problem. You notice that the training error is significantly lower than the validation error. What could you do to improve the model's performance on the validation set?
Answer: D
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You are working with a logistic regression model for a binary classification problem. You notice that the training error is significantly lower than the validation error. What could you do to improve the model's performance on the validation set?
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Question 2
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You need to collect data from an Excel file with multiple sheets. One of the sheets is named "Sales" and another is named "Inventory". You want to load the "Sales" sheet into a DataFrame named df_sales and the "Inventory" sheet into a DataFrame named df_inventory. Which of the following code snippets accomplishes this?
Answer: B
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You need to collect data from an Excel file with multiple sheets. One of the sheets is named "Sales" and another is named "Inventory". You want to load the "Sales" sheet into a DataFrame named df_sales and the "Inventory" sheet into a DataFrame named df_inventory. Which of the following code snippets accomplishes this?
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Question 3
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When creating a dashboard using Tableau, which option allows you to integrate real-time Python code execution into your dashboard?
Answer: E
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When creating a dashboard using Tableau, which option allows you to integrate real-time Python code execution into your dashboard?
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Question 4
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What is the primary reason to use PCA (Principal Component Analysis) over t-SNE when visualizing high-dimensional data?
Answer: B
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What is the primary reason to use PCA (Principal Component Analysis) over t-SNE when visualizing high-dimensional data?
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Question 5
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You are working on a project that requires real-time data collection from a WebSocket API. Which of the following Python libraries would be most appropriate for this task?
Answer: B
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You are working on a project that requires real-time data collection from a WebSocket API. Which of the following Python libraries would be most appropriate for this task?