13.7

(i) What type of experimental design is represented here?

(ii) Construct an ANOVA summary table for this experiment.

(iii) Is there evidence of a difference in mean sales among the

restaurants? (Use significance level of 0.05 ).

(iv) Is there evidence (at significance level of 0.05 ) of a difference in the mean sales for

the five days?

(v) Estimate the difference in mean sales between the restaurant created

at the shopping center and near the college campus. Use a 90%

confidence interval.

(vi) State the assumptions required for the validity of the procedures used

in parts (ii) to (v).