Mu Sigma Placement Papers | Salary, Career Growth, Aptitude Test Mu Sigma is an Indian Management Consulting Firm that mainly emphasizes on providing data analytics services. The firm's name is acquired from the statistical terms "Mu (μ)" and "Sigma (σ)" which represent the mean and the standard deviation separately of a probability distribution. Mu Sigma is situated … [Read more...] about Mu Sigma Placement Papers | Salary, Career Growth, Aptitude Test