Discover data analysis Flashcards

1
Q

What is the main purpose of data analytics?

A

To extract meaningful insights from data, aiding decision-making and strategy formulation.

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2
Q

What does data analytics encompass?

A

The collection, transformation, and organization of data to draw conclusions, make predictions, and drive informed business decisions.

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3
Q

What are some common techniques used in data analytics?

A

Descriptive analytics, diagnostic analytics, predictive analytics, and prescriptive analytics.

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4
Q

What role does Microsoft play in data analytics?

A

Microsoft provides tools and platforms like Power BI, Azure, and Excel for effective data analytics processes.

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5
Q

What is data analysis?

A

The process of identifying, cleaning, transforming, and modeling data to discover meaningful information.

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6
Q

What are the core components of data analytics?

A

Descriptive, diagnostic, predictive, prescriptive, and cognitive analytics.

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7
Q

What does descriptive analytics help with?

A

Answering questions about what has happened based on historical data.

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8
Q

What is the purpose of diagnostic analytics?

A

To understand why events happened by investigating anomalies and relationships in data.

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9
Q

How does predictive analytics work?

A

By using historical data to identify trends and predict future events.

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10
Q

What is the focus of prescriptive analytics?

A

Determining the best actions to achieve desired outcomes based on data insights.

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11
Q

What does cognitive analytics involve?

A

Drawing inferences from data patterns and using self-learning feedback loops to improve predictions.

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12
Q

What is the role of a Data Analyst?

A

To interpret data and turn it into actionable insights, using various tools and techniques to analyze trends and patterns.

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13
Q

What is a Data Scientist responsible for?

A

Building advanced models and algorithms to predict future trends, requiring strong statistical, programming, and machine learning skills.

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14
Q

What do Data Engineers do?

A

They design, construct, and maintain data pipelines and architectures, ensuring data is accessible for analysis.

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15
Q

What is the focus of a Business Intelligence (BI) Developer?

A

Creating and managing BI solutions like dashboards and reports to support decision-making processes.

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16
Q

What is the primary task of a Database Administrator (DBA)?

A

Managing and maintaining databases to ensure data integrity, performance, and availability.

17
Q

What is the primary task of a data analyst in Power BI?

A

To uncover and make sense of information by preparing, modeling, visualizing, analyzing, and managing data.

18
Q

What is involved in the “Prepare” phase of data analysis?

A

Profiling, cleaning, and transforming data to ensure its integrity and readiness for modeling and visualization.

19
Q

What is the goal of the “Model” task?

A

To determine relationships between tables, define metrics, and add calculations to create an effective semantic model.

20
Q

Why is the “Visualize” task important?

A

To bring data to life through compelling reports that solve business problems and enable quick insights for decision-makers.

21
Q

What does the “Analyze” task involve?

A

Understanding and interpreting information on reports to find insights, identify patterns, and predict outcomes.

22
Q

What is the role of “Manage” in data analysis?

A

Overseeing Power BI assets, ensuring proper sharing, distribution, and security of reports, dashboards, and other components.