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A scientist found a difference between the averages of two groups but values within both groups were widely spread. What should be examined before concluding?

Answer and explanation

Correct answer: Variability and repetition in the data

Wide spread may reduce confidence in the difference between averages so variability must be examined. In exams do not rely only on the mean.

Related tags

VariabilityAverageData SpreadReliabilityScientific Questions And ObservationsExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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