The mean and the median Student activity Play

The mean and the modal value Whiteboard exercise Play

The mean and the modal value Student activity Play

The mean and the range Student activity Play

The mean and the range Whiteboard exercise Play

The mean number of children in a family Whiteboard exercise Play

The mode in a grouped variable Student activity Play

The nature of variation Whiteboard presentation Play

The nature of variation Class activity Play

The number of car accidents Animation Play

The population growth curve Whiteboard exercise Play

The population mean Animation Play

The relationship between temperature and the mean velocity of gas particles Student activity Play

The relationship between temperature and the mean velocity of gas particles Animation Play

The relationship between temperature and the mean velocity of gas particles Whiteboard exercise Play

The results of a short test Animation Play

The significance of changes in blood group distribution Slideshow Play

The significance of variation Student activity Play

The speed of light Student activity Play

The stem-and-leaf diagram for years of experience Student activity Play

The systematic-sampling method Animation Play

The three basic mechanisms of evolution Student activity Play

Three factors affecting population size Illustration Play

Throwing a die Whiteboard exercise Play

Turtle population Whiteboard exercise Play