Vodafone Data Science interview questions

1st Step : Get to know interview including members of the future team, general question about my journey, my skills and an introduction of the company and the position from their side, the interview went smoothly with no problem. 2nd Step : One week after, they sent me a sample of data and a pdf including two problems, first one was about building a dashboard using Tableau to show some KPIs ( Not difficult but it requires a relatively advanced skills in Tableau ). The second part was about a machine learning problem, they explain the problem and show metrics and then you discuss the metrics and how you should proceed.. 3rd Step : Salary negotiation with HR and signing contract.