machucajazz34182
machucajazz34182
21.01.2020 • 
Mathematics

Determine whether the study described is a randomized experiment or an observational study. a wellness instructor wants to determine the effect of fitness class types on body fat composition. she measures the body fat of 100 fitness class participants before randomly assigning the participants to a class of yoga, zumba, pilates, or tae bo. she measures the body fat of each participant during the last week of classes. choose the correct answer o randomized experiment o observational study

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