$($a$).$ in a business organization, a data analytics project is usually handled and executed by a team ofpeople. Describe the key roles of a data analytics project team. $(30/100)($b$).$ Explain three tools thatare commonly used in the data preparation phase of the data analytics lifecycle. Highlight a use case inyour explanation which is associated with each tool $(30/100)($c$).$ "Big data is more than just big interms of volume". lnterpret this statement by providing relevant examples.