Grouped frequency tables are a way of showing data in groups. Set up a new column to write the midpoint of each class. Set up another ... There are 8 heights (1 + 3 + 4) up to 160 cm.

Sense in which wants can be considered as data, 455.--Economic interpretation as a theory of conduct, 459.--Are human motives predominantly economics, 460.--Are they predominantly instinctive, ...