Are you interested in a different type of envelopment? I can also provide details on:

How to make envelopes or print them in Word.

Hospitals use DEA to evaluate emergency department efficiency by comparing wait times against staffing levels.

Measuring Excellence: An Introduction to Data Envelopment Analysis

Unlike simple averages, DEA compares each unit (called a Decision Making Unit, or DMU) against its most similar high-performing peers.

📊 It can handle many different types of inputs (staff, budget, floor space) and outputs (sales, patient satisfaction, student grades) at the same time. Real-World Applications

💡 The ultimate purpose of envelopment is to turn data into a roadmap for improvement, moving every unit closer to that "efficient frontier."