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RITA APRILLIA 11140874 11.2A.04 “STATISTIKA DESKRIPTIF”

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Presentation on theme: "RITA APRILLIA 11140874 11.2A.04 “STATISTIKA DESKRIPTIF”"— Presentation transcript:

1 RITA APRILLIA A.04 “STATISTIKA DESKRIPTIF”

2 1. = X1 + X2 + X3 = = = = 4 {X2 + X3} = 4 {4 + 6} = 4 {10} = = nk = 3.8 = 24 atau = = = (X1 + 3) + (X2 + 3) = (3 + 3) + (4 + 3) = (6 + 7) = 13 Diketahui : X1 = 3X2 = 4X3 = 6 Y1 = 4Y2 = 1Y3 = 5

3 5. = (X1 - 2)² + (X2 - 2)² + (X3 - 2)² = (3 - 2)² + (4 - 2)² + (6 - 2)² = (1)² + (2)² + (4)² = = = (X1² - 2) + (X2² - 2) + (X3² - 2) = (3² - 2) + (4² - 2) + (6² - 2) = (9 - 2) + (16 - 2) + (36 - 2) = = = X1² + X2² + X3² - 2 = 3² + 4² + 6² - 2 = = 59

4 8. = nk = 3.7 atau = = 21 9 = = 5 (X1 + X2 + X3) = 5 ( ) = 5 (13) = = (X1 + 2.X1) + (X2 + 2.X2) = ( ) + (4+ 2.4) = (3 + 6) + ( ) = (9 + 12) = 21

5 1. = y1 + y2 + y3 = = = = 4 {y2 + y3} = 4 {1 + 5} = 4 {6} = = nk = 3.8 = 24 atau = = = (y1 + 3) + (y2+3) = (4 + 3) + (1 + 3) = = 11

6 5. = (y1 - 2)² + (y2 - 2)² + (y3 - 2)² = (4 - 2)² + ( 1 - 2)² + ( 5 - 2)² = (2)² + (-1)² + (3²) = = = (y1² - 2) + (y2² - 2) + (y3² - 2) = (4² - 2) + (1² - 2) + (5² - 2) = (16 - 2) + (1 - 2) + (25 - 2) = 14 + (-1) + 23 = = y1² + y2² + y3² - 2 = 4² + 1² + 5² - 2 = = = 40

7 8. = nk = 3.7 = 21 atau = = = = 5 {y1 + y2 + y3} = 5 { } = 5 { 10 } = = (y1 + 2.y1) + (y2 + 2.y2) = ( ) + ( ) = (4 + 8) + (1 + 2) = = 15


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