Page 74 - الإحصاء في مجال الدراسات الإعلامية
P. 74
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??? ???? ??????? ??????? ???????
?? ? ???
??2 2 -10??
??5 3 -20??
??12 7 -30??
??25 13 -40??
??39 14 -50??
??50 11 -60??
?????? ?50??
?= [?]25?? ??50?? ?????? ?????? =?
??2??
?× ?10?? ??12 - 25?? ??????? = ?+ 40??
??13??
?× ?10?? ??13?? ?= ?+ 40??
??13??
?= ?]50[ = 10 + 40??
??70??
