Question: Table 7-46 displays descriptive statistics on the subjects involved in the study described in problem 4. Are any of the characteristics significantly different between groups? Justify briefly. (Hint: no calculations, just an interpretation.)

Chart 7-46 is

new compound placebo p-value

mean age (years) 47.2 46.1 0.7564

men % 44 59 0.0215

mean educational level (years) 13.1 14.2 0.6898

mean annual income $36,560 $37,470 0.3546

mean body mass index (BMI) 24.7 25.1 0.0851