Accuracy: Checking a Sample against Verified Values
This lesson is part of the course
In this lesson
You compare 12 CRM records with values verified at the source, match cities while ignoring case and stray spaces, accept revenues within a 5% tolerance, compute field accuracy and the margin of error of a small sample.
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Lessons in this course
- Completeness: Blank Cells, Field Completeness & Complete Records Locked
- Validity: Format, Allowed-Value and Range Rules Locked
- Uniqueness: Duplicate Keys, Distinct Counts & Duplicate Emails Locked
- Consistency across Tables: Orphan Keys and Conflicting Values Locked
- Timeliness: Entry Lag, SLA Compliance, p90 and Freshness Locked
- Accuracy: Checking a Sample against Verified Values Locked
- The DQ Scorecard: Weighted Scores, RAG Status & Icon Sets Locked
- DQ Trend Dashboard & the Cost of Poor Data (with a Chart) Locked