Page 69 - الإحصاء في مجال الدراسات الإعلامية
P. 69
???????????
?? ???? (? )1????? ?????? ??????? ???????? ?????? ?-:??
??????? ??-59?? ?? ?-49 -39 -29 -19 -9??
??100?? ??12?? ?? ?14 20 26 21 7??
????? ? :???? ?? ? :??? ???? ?????? ???????? ??????? ?????? ?:??
?? ??? ???
??77?? ??-9??
??28 21?? ??-19??
??54 26?? ??-29??
??74 20?? ??-39??
??88 14?? ??-49??
??100 12?? ??-59??
???????? ?100??
?= [ ?] 50?? ??100?? ??? ( ???? ?????? ) =? ?? -1?????? ???????
??2??
?? -2?????? ?????? ???? ??? ??????? ????? ?????? ??? ???? ??????? ??????? ???????
?? -3?????? ??? ?????? ??? ?29??
?????? ?????? – ? ? ?????? ?????? ??????? ?? -4?????? ??????? ?-:??
???????? ???????
?× ??? ?????? ??????? = ???? ?????? ???? ?????? ?+??
?× ?) 10?? ??28 - 50?? ?= ?( + 29??
??26??
?= ?10 × 22 + 29??
??26??
?= ?]37.46[ = 8.46 + 29??
??????? ? :??? ???? ?????? ???????? ??????? ?????? ?:??
?? ? ??? ???
??100 7?? ??-9??
??93 21?? ??-19??
??72 26?? ??-29??
??46 20?? ??-39??
??26 14?? ??-49??
??12 12?? ??-59??
???????? ?100??
?? -?????? ?????? ?? ( ???? ?????? ) = ?]50[ = 100??
??2??
?× ??? ?????? ?????? ?????? – ? ?? ????? ??? ????????? ?? -??????? = ???? ?????? ????? ???????? ?-??
???????? ???????
??46 - 50??
?× ?) 10?? ??26?? ?= ?( - 39??
?× ?10?? ??4?? ?= ?- 39??
??26??
??40?? ?= ?- 39??
??26??
?= ?]37.46[ = 1.54 - 39??
??65??
