cholesterol levels

When performing this analysis, which of the values below is closest to the χ2 value they would compare the calculated value to in order to determine significance at the 5% level?

Assignment Consider an experiment in which a pharmaceutical company is testing a new drug that it hopes will lower cholesterol levels. The scientists administer three treatments: a dose of the drug, a dose of a placebo, and a control group that receives neither drug nor placebo. After 24 hours, they then measured the cholesterol levels […]

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