Module 4 Lab The lab is divided into 2 parts. Part1 will uses The Massachusetts Bay Transportation Authority data set (mbta.xlsx), which is provided in module 4. Part 2 will use the complete journey data that we worked on in class. Part 1 The Massachusetts Bay Transportation Authority manages America's oldest subway, in addition to the Greater Boston's commuter rail, ferry, and bus systems. The objective is to analyze ridership through time