Page 68 - الإحصاء في مجال الدراسات الإعلامية

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

???? ????? ?????? ?? ???? ??????? ??????? ?????? ???? ??? ??????? ??????? ???? ??? ??????? ????
?????? ?? ??? ?????? ?.??

?× ??? ?????? ?????? ?????? – ??????? ??????? ?????? ????? ??? ????????? ???????? ?-:??
???????? ?????? ( ????? ??? ?????? )? ??????? =?

????? ?????? ????? ???????? ?-??

?????? ?????? – ??????? ??????? ?????? ???????????? ???? ??????? ??? ?????? =?
???????? ?????? ( ????? ??? ?????? )?
?× ??? ?????? ????? ?????? ????? ???????? ?-??

??????

?? ????? ??? ???
??50?? ??3?? ??-115??
??47?? ??7?? ??-125??
??40?? ??10?? ??-135??
??30?? ??18?? ??-145??
??12?? ??7?? ??-155??
??5?? ??3?? ??-165??
??2?? ??2?? ??-175??
??50?? ?????????

?= [ ?] 25?? ??50?? ?? -1?????? ?? ( ???? ?????? ) =?
??2??

?? -2?????? ?????? ???? ??? ??????? ????? ?????? ??? ???? ??????? ??????? ???????

?? -3?????? ???? ?????? ????? ???????? ??? ?155??

?× ??? ?????? ?????? ?????? – ? ?? ????? ??? ????????? ?? -4?????? ??????? ?-:??
???????? ??????? ??????? = ???? ?????? ????? ???????? ?-??

??12 - 25??

?= ?) 10 × 18 ( - 155??

?× ?10?? ??13?? ?= ?- 155??
??18??

?= ?] 147.78 [ = 7.22 - 155??

??64??