Professor henley is interested in comparing the use of the legal system in different countries. henley examines the number of arrests per 1,000 population, the number of jury trials per 1,000 court cases, the number of lawyers per capita, and the number of people incarcerated per 1,000 population. henley is doing

social indicator research

Explanation:

Henley is doing social indicator research

Social indicator research is a journal which deals with measuring the quality of life of society.

In this research, they study the empirical, philosophical and methodological spectrum of the society.

This spectrum of society includes individual, public and private organizations, etc.

here, Professor Henley is examining the number of people arrested in different countries. This study will help to know about the quality of life of the different countries.

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answer; unimodal and symmetrical;