what is the average max point of an evening per week of the semester? how to compare time series data for a library how to compare time series what math technique can i use to compare the pattern of attendance for each semester what is the average time in the data set why overlaid semesters how long do college time series show how many semesters are there what is the data for semesters for ss how to compare the data set for each semester time series data comparison how to compare different semesters data why do we overlaid semesters when to overlaid semesters and semesters how to compare semesters average of head count in college library time series what time series does a college library need when do you overlaid semesters how to compare two semesters of attendance how long does it take to overlaract data