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Frequency Distribution for Grouped Data

What is the process for constructing a frequency distribution table involving grouped data? How do you determine the class width based on the number of classes chosen? How do you construct the lower boundary and the upper boundary for each class? How do you calculate the midpoint for a class? And how are relative frequencies calculated? 0:00 START 0:19 calculate class width 1:16 construct the classes 3:35 calculate the class midpoints 4:30 count the frequencies for each class 5:47 calculate the relative frequency Music "7th Floor Tango" by Silent Partner "Sneaky Bass Latina" by Jimmy Fontanez/Doug Maxwell/Media Right Productions "Tango de la Noche" by Wayne Jones "Tango Mango" by Quincas Moreira