EXAMPLE 16.5 Attitudes Toward Food Sold at Fairs
fsafety
CASE 16.2 Figure 16.5 gives JMP output for the Wilcoxon test. The rank sum for men (using average ranks for ties) is . The standardized value is , with two-sided -value . There is very strong evidence of a difference. Women are more concerned than men about the safety of food served at fairs.
Figure 16.5: FIGURE 16.5 Output from JMP for the food safety study of Case 16.2. The approximate two-sided -value is 0.0009.