Posted by **veeone** on Wednesday, November 10, 2010 at 11:39pm.

Variables in the dataset dietstudy

Variable name Variable description

id Patient ID

Basetg Pre measurement lev

Final tg Post Measur. Level

Base wt pre measure level

Final wt Post measure level

A researches has collected data to investigate a research problem regarding the association between the increase of triglyceride level and the increase of weight as the result of an intervention. Although the normal triglyceride level is below 150, the researcher collected data from a variety of patients. However a colleague suggested that the researcher would possible bias the analyses parameter estimates because his sample was biased. This bias was focused on the fact of the sample's initial triglyceride level. The colleague hypothesized that the sample's initial triglyceride level was statisticall significantly above normal at p <.05.

What variables go where to construct the independent T test?????

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