Concept:Statistical data can be shown using maps, graphs, and charts, but not every map type is a recognised statistical diagram.Explanation:Choropleth maps use shading to show data distribution, so they are graphical representations.Dot maps use dots to show quantities, so they are also graphical representations.Star graphs display multivariate data and are accepted graphical tools.A shaded map only shows relief or general shading and is not a specific graphical representation of statistical data.Answer:C. Shaded map