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| Section | Weight | Objectives |
|---|---|---|
| Data Mining | 25% | - Data processing and transformation - Data collection and extraction methods - Data manipulation and cleaning techniques |
| Data Analysis | 25% | - Statistical methods and analysis techniques - Trend and pattern identification - Data interpretation and reporting |
| Visualization | 20% | - Visualization best practices - Data storytelling and reporting tools - Chart and dashboard design principles |
| Data Governance, Quality, and Controls | 15% | - Data quality management - Data governance frameworks and policies - Compliance, privacy, and security controls |
| Data Concepts and Environments | 15% | - Data types, structures, and file formats - Data lifecycle and data ecosystems - Data storage systems and platforms |
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NEW QUESTION # 47
A sales analyst is using the following table to produce a report on January sales data:
Month
Sales
Year
Product
Jan
4324563
2024
Chair
Jan
23345
2024
Table
Jan
2456897
2024
Sofa
Jan
345456
2024
Desk
Jan
23345
2024
Table
Which of the following inconsistencies is present in the data set?
Answer: B
NEW QUESTION # 48
A data analyst calculated the average score per student without making any changes to the following table:
Which of the following exploration techniques should the analyst have considered before calculating the average?
Answer: D
Explanation:
Duplicate records in the dataset would skew the average score calculation, so identifying and handling duplication should be done before performing the analysis.
NEW QUESTION # 49
A data analyst is generating a custom report for a Chief Executive Officer's executive meeting. Later, the analyst learns that other custom reports will be required for future executive meetings. Which of the following delivery methods should the analyst use?
Answer: D
Explanation:
This question falls under theVisualization and Reportingdomain of DA0-002, which involves selecting appropriate delivery methods for reports. The scenario describes a need for custom reports for future executive meetings, implying a scheduled, repeated delivery.
* Ad hoc (Option A): Ad hoc reports are generated on-demand for one-time use, not suitable for ongoing needs.
* Real-time (Option B): Real-time delivery provides live data updates, which isn't necessary for scheduled executive meetings.
* Recurring (Option C): Recurring delivery involves scheduling reports to be generated and delivered at regular intervals (e.g., weekly or monthly), which fits the need for future executive meetings.
* Self-service (Option D): Self-service allows users to generate reports themselves, but the scenario implies the analyst will create the reports.
The DA0-002 Visualization and Reporting domain includes understanding "the appropriate visualization in the form of a report" with delivery methods , and recurring delivery aligns with scheduled reporting needs.
Reference: CompTIA Data+ DA0-002 Draft Exam Objectives, Domain 4.0 Visualization and Reporting
NEW QUESTION # 50
The sales department wants to include the composition of total sales amounts across all three sales channels in a report. Given the following sample sales table:
Which of the following visualizations is the most appropriate?
Answer: A
NEW QUESTION # 51
A data analyst is helping a company achieve its strategic goals. Which of the following types of analytics should the analyst incorporate into the dashboards and tools delivered to the company?
Answer: C
Explanation:
Prescriptive analytics provides recommended actions based on data insights, directly supporting decision-making and helping organizations achieve their strategic goals.
NEW QUESTION # 52
......
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