The average amount of ozone in several cities across Pennsylvania was correlated with the average number of asthma cases in those cities. What type of study is this

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Anni asked Nov 4, 2023

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The average amount of ozone in several cities across Pennsylvania was correlated with the average number of asthma cases in those cities. What type of study is this

Mathematics
high-school

Anni asked Nov 4, 2023

by Anni

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Answer:

Ecological study

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Minsun answered Nov 10, 2023

by Minsun

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