Aresearcher studying small-town religiosity in the united states randomly selected 10 states. from these states, he randomly selected one tenth of all counties. from these counties, he randomly selected one tenth of cities with populations smaller than 10,000. from these towns, he obtained lists of all houses of worship and randomly selected three. from these, he selected 10 practitioners to be interviewed. in this example, which is not a cluster?

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