Analysis techniques
You'll learn how to use correlation analysis to identify and quantify relationships between variables like output and costs — a key technique for interpreting data in your Performance Management and Advanced Performance Management papers.
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In this lesson
- 0:00 Correlation and scatter graphs explained
- 1:37 Understanding correlation types and strength
- 4:04 Coefficient of determination and r squared
- 5:19 Correlation coefficient formula breakdown
- 7:33 Calculating correlation in practice
- 10:43 Identifying feasible correlation values
About this lesson
This video covers scatter graphs, the correlation coefficient (r), and the coefficient of determination (r squared), showing you how to interpret correlation strength and calculate r using the formula provided in your exam. You'll work through practical examples to understand partial and perfect correlation, then apply these concepts to exam-style questions where you analyse whether variations in one variable explain changes in another.
Duration: 11m
Transcript
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