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Mathematics 7 Online
OpenStudy (gabylovesyou):

A coach wants to see how long the members of the swim team can hold their breath. He times each member and finds that the average is 48 seconds. What type of study is this? Observational study <---- ? Randomized trial Experiment Double-blind study

OpenStudy (iamswag):

a is the right answer

OpenStudy (professerjohn38):

a

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