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Employee Attrition & Headcount Review

Northgate's People team pulled a raw HR export ahead of the quarterly headcount review, but department names are spelled inconsistently, a few employee records are duplicated, and some manager fields are blank. Practice calculating attrition rate, tenure, and salary benchmarking from real, messy HR data. **What you'll learn:** - Department-level attrition-rate calculations - Tenure calculations from hire/termination dates - Salary benchmarking against a reference table - Spotting duplicate or incomplete records

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