title: Why 5%?
authors.affiliation: Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts.
authors.forename: K
authors.initials: K
authors.lastname: Gauvreau
authors.forename: M
authors.initials: M
authors.lastname: Pagano
mesh_terms: D001699:Biometry; D003627:Data Interpretation, Statistical; D016011:Normal Distribution; D011336:Probability