An
entomologist is studying how two different
types of flowers appeal to butterflies. The
box-and-whisker plots show the number of
butterflies that visited one of two different
types of flowers in a field. The data were
collected over a two-week period, for one
hour each day.

Early 18th century british industries were generally small scale and relatively unsophisticated. most textile production, for example, was centred on small workshops or in the homes of spinners, weavers and dyers: a literal ‘cottage industry’ that involved thousands of individual manufacturers. such small-scale production was also a feature of most other industries, with different regions specialising in different products: metal production in the midlands, for example, and coal mining in the north-east.two illustrations of 18t