fungsi
Post on 22-Jan-2016
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fungsi
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Jenis Konsumen
Harga (P)X
Jumlah (Y)Y
XY X2
Y2
1 50.000 39,6 1.980.000 2.500.000.000 1568,162 75.000 48,4 3.630.000 5.625.000.000 2342,563 100.000 62 6.200.000 10.000.000.000 38444 125.000 39,6 4.950.000 15.625.000.000 1568,165 150.000 57,6 8.640.000 22.500.000.000 3317,76
Total 500.000 247,2 25.400.000 56.250.000.000 12640,64∑X ∑Y ∑XY ∑X2 ∑Y2
Dari perhitungan diatas, dihasilkan fungsi regresi dengan persamaan:
Y = a + bx
= 38.56 + 0.0001088x
Y=247 .25
=49 . 44
b=5 (25400000)−500000(247 .2 )5 (56250000000)−(500000)2
b=340000031250000000
=0 .0001088
a =Y−b X
X=∑ X
nY=∑Y
n
X=5000005
=100000Y=247 .25
=49 . 44
a = 49 .44−(0 .0001088×100000 )
a = 49 .44−10 . 88a =38 .56
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