Question: Chapter 12 Data Set 5 provides you with data for two groups of adults, tested in the fall and spring during a resistance weight-lifting class.

Chapter 12 Data Set 5 provides you with data for two groups of adults, tested in the fall and spring during a resistance weight-lifting class. The outcome variable is bone density (the higher the score, the denser the bones) on a scale from 1 to 10.

Does lifting weights work? How about the effect size?

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