Reporting Graphical Information

Sample Paper Excerpt

An author is studying the correlation of 'intentional' injuries and socioeconomic conditions. Since 'intentional' injuries are related to the crime rate, the author seeks to assess the relationship of this indicator to a number of socioeconomic measures. The author presents a bivariate graph below showing the scatterplot between the Index Crime Rate per 100,000 and the percent unemployed for 250 cities in Illinois for the year 2000.

How might the data be more accurately portrayed?

Remove outliers and adjust scales of measurements.
Remove outliers only.
Keep the data as it is, which is adequately represented by the graph.
Reanalyze with fewer cities.

Proceed to the

Finished?

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