Statistical Analysis
Descriptive stats, trends, outliers and significance tests explained plainly.
Official Anthropicby AnthropicChecked October 18, 2026
A methods skill from Anthropic's Data plugin that brings sound statistics to everyday business questions. It explains results in business terms instead of formulas.
Who it is for
- Analysts
- Marketers
- Researchers
- Students
Prompts to try
Once the skill is installed, ask for the result in plain words. Claude picks the skill up on its own.
Is the difference in conversion between these two pages significant?Find unusual days in this daily sales dataDescribe the distribution of order values and what it means for pricingHow to install it
In Claude Code
/plugin marketplace add anthropics/knowledge-work-plugins/plugin install data@knowledge-work-plugins
In Claude.ai
Listed in Claude's plugin directory for Cowork: add the Data plugin from Customize > Plugins on a paid plan, and its skills also load in chat.
Unlock the install steps
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How we checked it
Confirmed SKILL.md at data/skills/statistical-analysis/SKILL.md in anthropics/knowledge-work-plugins via the GitHub API; skill folder last changed 2026-03-13, repo has 29,992 stars and was pushed 2026-10-17; published in Anthropic's knowledge-work-plugins marketplace.
Source: github.com/anthropics/knowledge-work-plugins/tree/main/data/skills/statistical-analysis