Exercise (ANOVA & Cross tabulation) Santa Fe Grill Restaurant conducted a study to know whether there is a difference in the frequency of patronizing Santa Fe Grill across three groups of customers (customers who drive less than 1 mile, 1 -3 miles, and more than 3 miles to Santa Fe). The results from ANOVA conducted using the data are presented below. (1) Is there a statistical difference across three customer groups? (2) If yes, which group(s) is (are) different from others? Null: Alternative: ANOVA X25 -- Frequency of Patronizing Santa Fe Grill Sum of Squares df Mean Square F Sig. Between Groups 4.896 2 2.448 4.477 .012 Within Groups 217.104 397 .547 Total 222.000 399 Post Hoc Tests Multiple Comparisons X25 -- Frequency of Patronizing Santa Fe Grill Sidak (I) x30 -- Distance Driven (J) x30 -- Distance Driven Mean Difference (I-J) Std. Error Sig. 95% Confidence Interval Lower Bound Upper Bound Less than 1 mile 1 -- 3 miles .232* .093 .037 .01 .45 More than 3 miles .213* .087 .044 .00 .42 1 -- 3 miles Less than 1 mile -.232* .093 .037 -.45 -.01 More than 3 miles -.020 .101 .996 -.26 .22 More than 3 miles