Letters that make stratified sample
s, a, d, e, f, l, p, m, r, t, i are letters that make 'stratified sample'
Words within stratified sample
IED, SAM, sample, AM, IE, ti, MP, SA, at, amp, ED, ample, stratified, ratified, ie, rat, RA, Ra, LE, Am, At, Ti, AMP are words within 'stratified sample'