Where formula_2 are the data and formula_3 is the population size (see also Sigma Notation).
w ɛ ɹ WORD_BOUNDARY f ɔ ɹ m j ʊ l ə WORD_BOUNDARY t uː WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY ð ə WORD_BOUNDARY d eɪ t ə WORD_BOUNDARY æ n d WORD_BOUNDARY f ɔ ɹ m j ʊ l ə WORD_BOUNDARY θ ɹ iː WORD_BOUNDARY ɪ z WORD_BOUNDARY ð ə WORD_BOUNDARY p ɑ p j ʊ l eɪ ʃ ə n WORD_BOUNDARY s aɪ z WORD_BOUNDARY s iː WORD_BOUNDARY ɔ l s oʊ WORD_BOUNDARY s ɪ ɡ m ə WORD_BOUNDARY n oʊ t eɪ ʃ ə n WORD_BOUNDARY