El-BAHITH REVIEW Number 05 _ University Of Ouargla Algeria
Annual refereed journal of applied reserch in economic, commercial and managment sciences
Annual refereed journal of applied reserch in economic, commercial and managment sciences
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2007 <strong>05</strong><br />
Cat4 = -0.1256*t 3 + 1.9414*t 2 - 4.9919*t + 69.091 ; R 2 = 0.8268…..3<br />
4<br />
0.8<br />
13<br />
4<br />
2001<br />
90<br />
14<br />
0.97<br />
4<br />
1990<br />
87<br />
67<br />
4<br />
- 0.377*t 2 + 3.883*t - 4.992<br />
1<br />
3<br />
2002 69<br />
Cat3 = -0.0256*t 4 + 0.5506*t 3 - 3.6657*t 2 + 9.3315*t + 80.51 ; R 2 = 0.6585…..4<br />
27<br />
25<br />
1.2<br />
7<br />
3.03<br />
2<br />
5<br />
5<br />
17<br />
3<br />
- 0.102*t 3 + 1.652*t 2 - 7.331*t + 9.332<br />
1<br />
2<br />
2002 20 1990<br />
Cat2 = -0.<strong>05</strong>42*t 3 + 0.722*t 2 - 0.1439*t + 16.811 ; R 2 = 0.8828…..5<br />
2<br />
6<br />
2002<br />
8<br />
12 1990<br />
2.4<br />
29<br />
8.17<br />
2<br />
– 0.163*t 2 + 1.444*t – 0.144<br />
5<br />
1<br />
1<br />
Cat1 = 0.6209*t + 4.0385 ; R 2 = 0.9601…..6<br />
7<br />
676<br />
26<br />
8.<strong>05</strong><br />
177<br />
1<br />
0.621<br />
1<br />
7<br />
1990<br />
2.5<br />
380<br />
2002<br />
935<br />
84