Manual typewriters to computers

Reference no: EM131816788

According to a newspaper article, "the change years ago from manual typewriters to computers has caused the average full-time secretary to gain 5 to 10 pounds."30

a. Describe an experiment that could be carried out to support this claim. What are the experiment's weaknesses?

b. Describe an observational study that could be carried out to support this claim. What are the observational study's weaknesses?

Reference no: EM131816788

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