áåñïëàòíûå ðåôåðàòû

Èíôîðìàöèîííûå òåõíîëîãèè â àíòèêðèçèñíîì óïðàâëåíèè












































35













































30












































25












































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15












































10













































5



































1









                     8                   8,5                   9                   9,5                 10                 10,5                11                 11,5

                                        Ìå = 10,1

 

 

 

 

















50

















 



1995 ã






 









 









45









 









 









 









 









40









 









 









 









 









35









 









 









 









 









30









 









 









 

















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1









                      8                   8,5                 9                    9,5                 10                  10,5                11                 11,5                                                  

                               Ìå = 9,2 

                                                                                                                                                










4)     Îïðåäåëåíèå ìåæêâàðòèëüíîãî ðàçìàõà


Q1 – ìåíüøàÿ êâàðòèëü, Q1 = n + 1   =   7 + 1     =  2                                                                                                          

                                                    4                      4              

 

Q3 – áîëüøàÿ êâàðòèëü, Q3 =  3(n + 1)3(7 + 1)  =  6

                                                        4                4    


IQR – ìåæêâàðòèëüíûé ðàçìàõ


IQR = Q3 – Q1 = 6 – 2 = 4



1993 ãîä – 0  2  7  9  9  11  14                   1995 ãîä – 0  0  3  5  12  14  18

                                                    

                      Q1(2)            Q3(6)                                         Q1(2)             Q3(6) 


IQR1993 = 11 – 2 = 9                                    IQR1995 = 14 – 0 = 14



5)     Îïðåäåëåíèå ñðåäíåãî êâàäðàòè÷íîãî îòêëîíåíèÿ

 

S = Ö S(õi – õ)2

            Ö n

n = 7

õ1993 = 0 + 2 + 9 + 11 + 14 + 9 + 752 = 7,43

7                                                               7

 

     õ1995 = 5 + 12 + 18 + 14 + 3 + 0 + 0 = 52 = 7,43

7                                                              7

 

S1993 = Ö(0-7,43)2+(2-7,43)2+(9-7,43)2+(11-7,43)2+(14-7,43)2+(9-7,43)2+(7-7,43)2=4,9

                                                                  Ö7

 

S1995=Ö(5-7,43)2+(12-7,43)2+(18-7,43)2+(14-7,43)2+(3-7,43)2+(0-7,43)2+(0-7,43)2=7,1

                                                                   Ö7

 

       

6)       Îïðåäåëåíèå äèñïåðñèè

 

D1993 = S2 = 4,92 = 24,01                        D1995 = S2 = 7,12 = 50,41

 

 

7)       Îïðåäåëåíèå êîýôôèöèåíòà âàðèàöèè

 

V1993 =  S * 100% = 4,9 * 100% = 65,9%

                   x                  7,43                                               



V1995 =  S * 100%  =   7,1 * 100% = 95,6%         

                   x                    7,43



8)     Îïðåäåëåíèå ïîêàçàòåëÿ àñèììåòðèè

 

A1993 = x – M = 7,43 – 9,7 =  -0,463

               S              4,9                    


A1995 = 7,43 – 9,3 =  -0,263

                   7,1                    


































Ñïèñîê èñïîëüçîâàííîé ëèòåðàòóðû:


1. Ðè÷àðä Òîìàñ  «Êîëè÷åñòâåííûå ìåòîäû àíàëèçà õîçÿéñòâåííîé äåÿòåëüíîñòè"










































Ñòðàíèöû: 1, 2


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