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Two schools have the same average examination score, but one has a much wider difference between its highest and lowest scores. What should a Social Science researcher conclude?

Answer and explanation

Correct answer: Equal averages can conceal differences in the distribution of students' performance

An average summarises the central level of scores but does not show their spread. Examining the range and distribution provides additional information about differences in performance within each school.

Related tags

Social StatisticsAveragesData DistributionEducational Research

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