Answer:aztec empire: ruled by montezuma, forced others to pay tribute, conquered by hernan cortes, located in mexico Inca empire: ruled by atahualpa, located in south america, conquered by Francisco pizarro
Think about an interval that covers the entire spread of the data... you can be 100% confident that it contains the true mean. If you have a very narrow range (e.g. 115.1 mph to 115.2 ...