Higher Test Marks with Free Online PCED-30-01 Exam Practice

Assess the CertsIQ’s updated PCED-30-01 exam questions for free online practice of your Certified Entry-Level Data Analyst with Python test. Our PCED 30 01 dumps questions will enhance your chances of passing the PCED certification exam with higher marks.

Exam Code: PCED-30-01
Exam Questions: 382
Certified Entry-Level Data Analyst with Python
Updated: 20 Aug, 2025
Question 1

In a regression analysis of employee job satisfaction against years of experience, the p-value for the 'years of experience' variable is found to be 0.12. How should you interpret this result at a 0.05 significance level?

Options :
Answer: B

Question 2

While transforming extracted data to fit operational needs, which of the following operations is least likely to be performed?

Options :
Answer: C

Question 3

When debugging a complex Python script for data analysis, which of the following practices is least recommended?

Options :
Answer: A

Question 4

You are tasked with merging two datasets, df1 and df2, on a common column 'id'. df1 has a column 'value1' and df2 has a column 'value2'. After merging, you need to create a new column called 'total_value' that sums 'value1' and 'value2'. Which of the following code snippets accomplishes this?

Options :
Answer: D

Question 5

You are working with a large dataset containing multi-dimensional features related to customer behavior. The dataset is too large and complex to analyze easily. What technique could be most effective for reducing the dataset's dimensionality while retaining most of its original variance?

Options :
Answer: A

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