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Data+

Exam Code: DA0-001

Certification: Data+

Overview
Course Description

  • Duration: 90 minutes

  • Maximum questions: 90

  • Passing score: 675/900

  • Exam fee: Varies by region and voucher type.

Course Questions
10 Questions
1
A sales analytics team is preparing a monthly report and asks: Which measure describes the number of records in a dataset?
2
A sales analytics team is preparing a monthly report and asks: A column contains values such as 12, 15, 18, and 22. Which data type is most appropriate?
3
A sales analytics team is preparing a monthly report and asks: Which statistic is least affected by extreme outliers?
4
A sales analytics team is preparing a monthly report and asks: What does standard deviation measure?
5
A sales analytics team is preparing a monthly report and asks: Which visualization is generally best for comparing values across categories?
6
A sales analytics team is preparing a monthly report and asks: Which visualization is most suitable for examining the relationship between two numeric variables?
7
A sales analytics team is preparing a monthly report and asks: A dataset contains duplicate customer IDs. What should be done before analysis?
8
A sales analytics team is preparing a monthly report and asks: What is the purpose of data normalization in a relational database?
9
A sales analytics team is preparing a monthly report and asks: Which join returns only rows with matching keys in both tables?
10
A sales analytics team is preparing a monthly report and asks: Which join keeps every row from the left table and matching rows from the right?

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