Data Analyst Flashcards

1
Q

What is data collection?

A

Collecting and gathering large datasets, including databases, surveys, and other data sources from various platforms

Example: Collecting customer feedback surveys to analyze customer satisfaction levels

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2
Q

What is data cleaning, preparation, and processing?

A

Cleaning and preparing datasets for analysis by correcting data errors, removing duplicates, and reviewing accuracy; these processes are also known as data filtering, data integration, data classification, data munging, and data summarization

Example: Removing duplicate entries in a dataset to ensure accurate analysis results

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3
Q

What is data analysis?

A

Utilizing statistical methods and data visualization tools to analyze large datasets, identify trends, and compile insights to assist organizations when making business decisions

Example: Using regression analysis to identify the correlation between marketing spending and sales revenue

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4
Q

What is data reporting and visualization?

A

Creating clear, concise reports and visuals that easily communicate findings to team members and key stakeholders

Example: Creating a dashboard with interactive charts to showcase sales performance

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5
Q

What is predictive analysis?

A

Using algorithms to assist with predicting trends and future outcomes based on historical data

Example: Using machine learning algorithms to predict customer churn rates

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6
Q

What is data-driven decision-making?

A

Collaborating with various team members and stakeholders to identify opportunities for improvement to make data-driven decisions

Example: Analyzing customer behavior data to make informed decisions on product development

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7
Q

What is continuous improvement?

A

Involves professional development, continuously monitoring and evaluating the effectiveness of decision-making processes, and recommending improvements to drive better outcomes; data analysts must stay current with the latest trends and tools within the field

Example: Attending data analytics workshops to stay updated on industry best practices

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8
Q

What are the responsibilities of a Data Analyst?

A

Data collection, data cleaning, preparation and processing, data analysis, data reporting and visualization, predictive analysis, data driven decision making and continuous improvement.

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