Advanced Topic: Drug K Is Thought to Heighten the Ability

Essay

Advanced topic: Drug K is thought to heighten the ability of smell.Twenty-four volunteers were randomly assigned to receive one of four dosages of Drug K (no,low,medium,or high)and to either be exposed to competing smells or not exposed to competing smells (present or absent).Their ability to smell was then tested,and the results were as follows. a.Make a chart and graph of the cell and marginal means.
b.Analyze these data using a factorial analysis of variance,testing each effect at the .05 level,and including R² for each effect.
c.Explain your analysis and conclusions to a person who is familiar with one-way analysis of variance (including the structural model),but who does not know anything about factorial designs or the two-way analysis of variance.