Page 49 - الإحصاء في مجال الدراسات الإعلامية

?[? ]3???? ????? ?????? ??? ???? ??? ??????? ? ????? ????? ???????? ????????

?= ??????? ? +????????

??????? ???? ??? ?? ???? (? )5?????? ???? ??? ????? ?-:??

?= ?45?? ??270?? ???????? =? ??44 = 5 + 39??
??6?? ??43 = 5 + 38??
??42 = 5 + 37??
???? ????? ?????? ( ? ) 5???? ??????? ?????? ??? ( ?) 40?? ??46 = 5 + 41??
????? ???? ?45 = 5 + 40?? ??47 = 5 + 42??
??48 = 5 + 43??
???????? = ?270??

?????? ?? ????? ?????? ?? ???? ??? ??????? ? ????? ????? ???????? ????????
?= ??????? ? -????????

?[? ]4???? ????? ????? ???? × ?????? ??? ????? ???????? ??????? =?

???????? ?????? × ???????

????? ??? ?????? ( ? ) 2???? ????? ??????? ?????
??86 ? 84 ? 82 ? 74 ? 76 ? 78??

??86 + 84 + 82 + 74 + 76 + 78?? ?????? ????? ??? ????? =?
?=?
??6??

?= [?]80?? ??480??
??6??

???? ??? ?????? ???? ???? ????? ??? ????? ??????? ?????? × ?2??

?[? ]5???? ??? ????? ??? ?? ??????? ???????? ???????? ? ????? ????? ??????? ???? ????? ????? ????????

????????? ?????? ????????? ?:??

???????? ?????? ?38 ? 29 ? 27 ? 17 ? 14??
???????? ??????? ?18 ? 22 ? 20 ? 19 ? 21??

?= [?]25?? ??125?? ?=? ??38 + 29 + 27 + 17 + 14?? ?????? ??????? ??????? ?????? =?
??5?? ??5??

?= [?]20?? ??100?? ?=? ??18 + 22 + 20 + 19 + 21?? ?????? ??????? ??????? ??????? =?
??5?? ??5??

?? .?.?????? ??????? ????????? = ?]45[ = 20 + 25??

?= [?]45?? ??225?? ?=? ??100 + 125?? ?????? ?? ????? ????? ??? ????????? =?
??5?? ??5??

??45??