Asimplerandomsampleofsize n is oneinwhich:

(a) Every nth memberisselectedfromthepopulation.

(b) Eachpossiblesampleofsize n has thesamechanceofbeingselected.

(c) Theremustbeexactlythesameproportionofwomeninthesampleasisinthe population.

(d) Youkeepsamplinguntilyouhaveafixednumberofpeoplehavingvariouscharac-

teristics (e.g.,males,females).

(e) Aparticularminoritygroupmemberofthepopulationislesslikelytobechosen than aparticularmajoritygroupmember.
(f)Alloftheabove.