Schools in districts
 District type  Schools
Urban
Urban
Urban
Urban
Urban
Urban

Rural
Rural
Rural
Rural
Rural
Rural
62
46
51
79
44
60

72
55
78
63
81
53

Explain that the structure of a data set is critically important — in this case, 6 measurements from each of two groups. Many different data sets can have the same structure but would be analysed in a similar way.

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