Data Analysis

Apply statistical methods and analytical techniques to extract insights from data and communicate findings effectively.

Covers communicating analysis results by selecting appropriate methods for different audiences and stakeholders. Includes selecting and applying statistical methods such as descriptive statistics, inferential statistics, and basic statistical techniques to analyze data. Also covers troubleshooting analysis issues by using appropriate tools and resources to identify and resolve problems in data analysis workflows.
5 minutes 5 Questions

In the context of the CompTIA Data+ certification (Data+ V2), Data Analysis is defined as the systematic process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information, informing conclusions, and supporting decision-making. Unlike advanced data sci…

Concepts covered: Tailoring communication to audiences, Technical vs. non-technical reporting, Storytelling with data, Data-driven recommendations, Presentation best practices, Descriptive statistics, Measures of central tendency (mean, median, mode), Measures of dispersion (variance, standard deviation), Correlation and regression basics, Hypothesis testing fundamentals, Statistical significance and p-values, Sampling methods and techniques, Trend analysis and forecasting, A/B testing and experimentation, Debugging data analysis workflows, Identifying data quality issues, Resolving calculation errors, Using documentation and resources, Version control for data analysis, Collaborative troubleshooting, Executive summaries and key findings

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