Reduce childhood obesity-What is the effect size

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Reference no: EM133942667

Question

In an attempt to reduce childhood obesity, health researchers want to reinstate the requirements for physical education (PE) in middle schools. They hypothesize that students who take a PE course for a semester will lose weight. Therefore, for the 2017 -2018 academic year all students are required to participate in a PE course. Weight (in kg) was measured at the beginning of the semester they took the course and at the end of the semester. From a sample of 60 students:

the mean decrease in weight is 4 kg (i.e., D bar = -4)

the sample variance is 30.

What is the effect size?

Reference no: EM133942667

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