Page 18 - الإحصاء في مجال الدراسات الإعلامية
P. 18

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   ??7??                        ??// ////??        ??-5??
   ??5??                         ??////??         ??- 12??
   ??3??                          ??///??         ??- 19??
   ??2??                          ??//??          ??- 26??
   ??3??                          ??///??          ??33??

 ??20??                                     ?????????

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                            ????
                            ??75??
                            ??5 12??
                            ??3 19??
                            ??2 26??
                            ??3 33??
                            ???????? ?20??

???????? ????????? ??????? ????????

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

                                             ???? ??????? ?????? ??? ???? ??? ??????? ?????? × ?100??
?? -??????? ?? ?????? ???????? ?????? ??? ?????? ????????? ????? ??? ?????? ???? ???????? ?????? ?????????
?????? ???? ?????? ?????? ???????? ????????? ??????? ??? ????? ?????? ??? ???? ???? ???????? ???????

                                                               ?????????? ?? ??? ??? ?????? × ?100??

                                     ???? ???? ?????? ?????? ???? ???? ?-:??

     ???????? ???????     ???????? ???????  ?????????   ????????

?( ?%35 = 100 × ) 20 ÷ 7??  ??0.35 = 20 ÷ 7??      ??7??       ??-5??
?( ?%25 = 100 × ) 20 ÷ 5??  ??0.25 = 20 ÷ 5??      ??5??        ??12??
?( ?%15 = 100 × ) 20 ÷ 3??  ??0.15 = 20 ÷ 3??      ??3??       ??- 19??
?( ?%10 = 100 × ) 20 ÷ 2??  ??0.10 = 20 ÷ 2??      ??2??       ??- 26??
?( ?%15 = 100 × ) 20 ÷ 3??  ??0.15 = 20 ÷ 3??      ??3??       ??- 33??

        ??%100??                  ??1??          ??20??      ?????????

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