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n xi yi xi.yi yi xi.yi (xi)2

R ICR R^2

1 12 12 144 0.75 9 144

2 14 14 196 0.875 12.25 196

3 16 15 240 1 16 256

4 18 18 324 1.125 20.25 324

5 20 20 400 1.25 25 400

6 22 21 462 1.375 30.25 484

7 24 24 576 1.5 36 576

8 26 24 624 1.625 42.25 676

9 28 26 728 1.75 49 784

10 30 30 900 1.875 56.25 900

11 32 30 960 2 64 1024

12 34 34 1156 2.125 72.25 1156

13 36 36 1296 2.25 81 1296

14 38 36 1368 2.375 90.25 1444

15 40 40 1600 2.5 100 1600

16 42 84 3528 2.625 110.25 1764

17 48 90 4320 3 144 2304

18 54 96 5184 3.25 175.5 2916

19 60 96 5760 3.625 217.5 3600

20 66 66 4356 4 264 4356

21 72 72 5184 4.375 315 5184

22 78 78 6084 4.75 370.5 6084

23 84 84 7056 5.125 430.5 7056

24 90 90 8100 5.5 495 8100

25 96 96 9216 5.875 564 9216

26 102 96 9792 6.125 624.75 10404

27 108 102 11016 6.5 702 11664

28 114 108 12312 6.875 783.75 12996

29 120 114 13680 7.25 870 14400

30 126 120 15120 7.625 960.75 15876

31 132 130 17160 8 1056 17424

32 138 132 18216 8.375 1155.75 19044

33 144 132 19008 8.75 1260 20736

34 156 144 22464 9.375 1462.5 24336

35 168 144 24192 10.125 1701 28224

36 180 170 30600 11 1980 32400

37 192 170 32640 11.5 2208 36864

38 204 170 34680 12.25 2499 41616

39 216 170 36720 13 2808 46656

40 228 180 41040 13.75 3135 51984

41 240 180 43200 14.4375 3465 57600

3648 3494 451602 221.4375 30461.5 504064

R 41 3648 15.4586 3494 455096

3648 504064 0.784045 451602 455096

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IRC 41 3648 0.067283221.4375 30682.94

3648 504064 0.059945 30461.5 30682.94

-30240.06

a = 15.4586f (x) = 15,46 + 0,78 x

b = 0.784045

a = 0.067283

f (x) = 0,07 + 0,06 xb = 0.059945

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0.75

0.875

1

1.125

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Tangi !"nga#$

%& = 550.02

' = 446.6992

i' = 33.03816

= 1.669263

* = 0.75

f = 2.5

I& = 548.52

b = 110.6524

2.81057

= 241.2218

C = 413.6611

C = 336.0469

% = 113.9024

2.89312