Question 1. Very often in data science, we are interested understanding how values change with time. Use np. diff and np. max (or just max) to calculate the largest annual change in population between any two consecutive years.

Roger ginde is developing a program in supply chain management certification for managers. ginde has listed a number of activities that must be completed before a training program of this nature could be conducted. the activities, immediate predecessors, and times appear in the accompanying table: activity immediate predecessor(s) time (days) a -− 44b -− 55 c -− 11 d b 1010 e a, d 55 f c 55 g e, f 1010 calculate the slack time. show the details.