A group of 90 college students consisting of Freshmans and Sophmores were given an IQ test. Suppose that the average for the group was 113. The 40 Freshmans had an average score of 107. Find the average of the Sophmores.

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