Imagine that you have performed a beer goggling experiment a

Imagine that you have performed a \"beer goggling\" experiment and have randomly assigned 21 participants to drink either 0, 1, or 3 beers, and then had all participants rate the attractiveness of the same individual on a scale from 0 to 50, eith higher scores indicating greater attractiveness. Here is the ANOVA source table and the group means. Use this information to answer the following:

Table: Beer and Attractiveness, Group Means

a. Identify the critical value

b. Make a decision

c. state a conclusion

Solution

a) critical value=F_0.05,2,18=3.55456

b) Since F_obs>F_0.05,2,18=3.55456,we reject H₀ at 5% level of significance.

c)On the basis of the given data,we can conclude at 5% level of significance that there is significant difference between sevaral means.