Tugas Regresi & Korelasi

8/18/2019 Tugas Regresi & Korelasi

1/6

Suhu (x) XY

0 66.7 0 4448.89 0

4 71 16 5041 284

10 76.3 100 5821.69 763

15 80.6 225 6496.36 1209

21 85.4 441 7293.16 1793.4

29 92.9 841 8630.41 2694.1

36 99.4 1296 9880.36 3578.4

51 113.6 2601 12904.96 5793.6

68 128.6 4624 16537.96 8744.8

Jumlah 234 814.5 10144 77054.79 24860.3

Rata-rata 26 90.5

Kuadrat 54756 663410.25

n 9

0.907217

a 66.91236

y = 66,91236 + 0,907217x

40 adalah 103.201

r 0.99985

0.9997 atau 99.97%

!a!"3 (#) X2 Y2

Banyak NaNO3 bla !uhu

r2

1

1

1

NaNO3


2/6

0 10 20 30 40 50 60 70 800

20

40

60

80

00

20

40

O#$&'( ')*) $N&N N&NO3

$%lumn $

&'nar ($%lumn $)

')*)


3/6

X Y XY

1 6 1 36 6

2 4 4 16 8

3 3 9 9 9

4 5 16 25 20

5 4 25 16 206 2 36 4 12

Jumlah 21 24 91 106 75

Rata-rata 3.5 4

Kuadrat 441 576

n 6

-0.514286

a 5.8

= 5,8 + 0,51429

Nla bla x 4 adalah 3.74286r 0.68034

0.46286 atau 46.28%

X2 Y2

r2

N(&( -


4/6

0 1 2 3 4 5 6 7

0

1

2

3

45

6

7

(x) * - 0.5142857143x + 5.8R, * 0.4628571429

"O#$&'( N(&( / &N -

$%lumn $

&'nar ($%lumn $)

N(&( /


5/6

X Y XY

77 82 5929 6724 6314

50 66 2500 4356 3300

71 78 5041 6084 5538

72 34 5184 1156 2448

81 47 6561 2209 380794 85 8836 7225 7990

96 99 9216 9801 9504

99 99 9801 9801 9801

67 68 4489 4624 4556

Jumlah 707 658 57557 51980 53258

Rata-rata 78.55556 73.11111

Kuadrat 499849 432964

n 9

0.777142a 12.06232

- = 12,06232 + 0,777142x

Nla uan ka nla larannya 85 adalah 78.1194

r 0.56101

0.31473 atau 31.47%

X2 Y2

r2

"O#$%

nla


6/6

40 50 60 70 80 90 100 110

0

20

40

60

80

100

120

(x) * 0.7771415988x + 12.0623210747R, * 0.3147271864

&'( N(%&( %&3O#&N +$N,&N N(%&( %&3O#&N

$%lumn $

&'nar ($%lumn $)

nla la12ran

u0an akhr

Tugas Regresi & Korelasi

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