Where is the absolute total frequency located in a two-way frequency table?
Select one:
O A. top left
O B. top right
O C. bottom left
O D. bottom right

The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?