108 16 A pool of subjects was randomly divided into five tre

108 16. A pool of subjects was randomly divided into five treatment groups. The groups were administered daily doses of vitamin C over a 12-month period. The data in the table represent the number of cold and flu viruses reported by the participants as a function of their dosage. Using the .05 level of significance, carry out a complete ANOVA on these datae ruses reported by the participants as a function of their vitamin C On 6 250mg 500mg 2000m 0 2 STEP 1: State your hypotheses. Hoi At lt one Mens differetpom the others STEP 2: Set up the criteria for making a decision STEP 3: Summarize the data into the appropriate test-statistic. ssdf STEP 4: Evaluate Ho. (Reject or Fail to reject)

Solution

As p value < alpha =0.05

reject null hypothesis

There is sufficient evidence to show that all means are not the same