Free Python Institute PCED-30-01 Exam Questions
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Python Institute PCED-30-01 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: Nov 19, 2024
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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 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?
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Question 2
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Which of the following methods is least likely to be effective when dealing with outliers in a dataset while using Python's Pandas library?
Answer: B
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Which of the following methods is least likely to be effective when dealing with outliers in a dataset while using Python's Pandas library?
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Question 3
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You are evaluating a logistic regression model using the ROC curve. Which of the following is true regarding the Area Under the Curve (AUC)?
Answer: C
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You are evaluating a logistic regression model using the ROC curve. Which of the following is true regarding the Area Under the Curve (AUC)?
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Question 4
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You notice that the transformation phase of the ETL process is extremely slow. You suspect that the issue lies in the inefficient handling of a large DataFrame in Pandas. Which of the following should be your first step to troubleshoot?
Answer: D
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You notice that the transformation phase of the ETL process is extremely slow. You suspect that the issue lies in the inefficient handling of a large DataFrame in Pandas. Which of the following should be your first step to troubleshoot?
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Question 5
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You have a DataFrame named df that has three columns: 'A', 'B', 'C'. The DataFrame has 100 rows. Your task is to create a DataFrame where each column 'A', 'B', 'C' is transformed into 3 columns each: 'A_min', 'A_max', 'A_mean', 'B_min', 'B_max', 'B_mean', 'C_min', 'C_max', 'C_mean'. Which of the following code snippets accomplishes this task?
Answer: D
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You have a DataFrame named df that has three columns: 'A', 'B', 'C'. The DataFrame has 100 rows. Your task is to create a DataFrame where each column 'A', 'B', 'C' is transformed into 3 columns each: 'A_min', 'A_max', 'A_mean', 'B_min', 'B_max', 'B_mean', 'C_min', 'C_max', 'C_mean'. Which of the following code snippets accomplishes this task?