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LATIHAN SOAL NOTASI SIGMA DAN DASAR-DASAR STATISTIKA DESKRIPTIF STATISTIKA DESKRIPTIF NAMA= Caroline Marenta Simanjuntak NIM= 11140237 KELAS=11.2A.04.

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Presentation on theme: "LATIHAN SOAL NOTASI SIGMA DAN DASAR-DASAR STATISTIKA DESKRIPTIF STATISTIKA DESKRIPTIF NAMA= Caroline Marenta Simanjuntak NIM= 11140237 KELAS=11.2A.04."— Presentation transcript:

1 LATIHAN SOAL NOTASI SIGMA DAN DASAR-DASAR STATISTIKA DESKRIPTIF STATISTIKA DESKRIPTIF NAMA= Caroline Marenta Simanjuntak NIM= KELAS=11.2A.04

2 Diketahui : X 1 = 3 X 2 = 4 X 3 = 6

3 = = = X 1 + X 2 + X 3 2. = 4 = 4 (4 + 6) = 4 (10) = 40 (X 2 + X 3 )

4 = n.k = 3 x 8 = = (X 1 + 3) + (X 2 + 3) = (3 + 3) + (4 + 3) = = 13

5 5. = (X 1 - 2) 2 + (X 2 - 2) 2 + (X 3 - 2) 2 = (3 - 2) 2 + (4 - 2) 2 + (6 - 2) 2 = (1) 2 + (2) 2 + (4) 2 = = = (X 1 2 – 2) + (X 2 2 – 2) + (X ) = (3 2 – 2) + (4 2 – 2) + (6 2 -2) = (9 – 2) + (16 – 2) + (36 – 2) = = 55

6 7.7. = (X 1 + X 2 + X 3 ) = ( ) = (13) = 169 – 2 = = n.k = 3.7 = 21

7 9.9. = 5 = 5 ( ) = 5 (13) = 65 ( X 1 + X 2 + X 3 ) 10. = X 1 +X 2 +X 3 + 2(X 1 +X 2 +X 3 ) = ( ) = (13) = = 39

8 Diketahui : Y 1 = 4 Y 2 = 1 X 3 = 5

9 = = = Y 1 + Y 2 + Y = 4 = 4 (1 + 5) = 4 (6) = 24 (Y 2 + Y 3 )

10 = n.k = 3 x 8 = = (Y 1 + 3) + (Y 2 + 3) = (4 + 3) + (1 + 3) = = 11

11 5. = (Y 1 - 2) 2 + (Y 2 - 2) 2 + (Y 3 - 2) 2 = (4 - 2) 2 + (1 - 2) 2 + (5 - 2) 2 = (2) 2 + (-1) 2 + (3) 2 = = = (Y 1 2 – 2) + (Y 2 2 – 2) + (Y ) = (4 2 – 2) + (1 2 – 2) + (5 2 -2) = (16 – 2) + (1– 2) + (25 – 2) = 14 + (-1) + 23 = 36

12 7.7. = (Y 1 + Y 2 + Y 3 ) = ( ) = (10) = 100 – 2 = = n.k = 3.7 = 21

13 9. = 5 ( = 5 ( ) = 5 (10) = 50 Y 1 + Y 2 + Y 3 ) 10. = (Y 1 + Y 2 + Y 3 ) + 2 (Y 1 + Y 2 + Y 3 ) = ( ) + 2( ) = (10) = = 30

14 TERIMA KASIH


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