Mu Sigma Trainee Decision Scientist interview questions

Round 1 was an online aptitude and personality test . The questions were fairly easy( revise a bit of statistics too) Round 2 was the Group discussion Round 3 was an HR interview

It was a campus interview process. The process started with an aptitude test which consisted of quants,logical,technical and general knowledge section. It also consisted of an optional case study round. Around 600 students were selected after this for the GD round. There were 6 students in my GD round and everybody were selected for the interview round from our group. In the interview round, there were two panelists who skimmed my resume. It was a 15 minute interview and I was offered a job after that.