Nutrition for Health, Fitness & Sport 10th Edition by Melvin Williams ,Dawn Anderson,Eric Rawson

تمرين 3

If a skinfold technique for body composition has a standard error of estimate of 3 percent, you can have 70 percent confidence that for a person who has a predicted body fat of 18 percent, the actual value is within a range of
A) 6-18 percent
B) 18-21 percent
C) 12-24 percent
D) 15-21 percent
E) 18-30 percent