A virus prevention drug is being tested on Younger, Middle Aged, and Older people. Researchers give the drug to a group for each age range. The amount of antigens per thousand is then measured after 13 weeks. Test Statisticsab Antigens Chi-Square 4.691 di Asymp. Sig. 196 b. Grouping Variable: AgeGroup The output above is for the study with 13 people in each age group. The p-value (after any necessary adjustments) is O 0.098 0 0.196 O 0.392