B. Data RAK

10 15 20 25Kayu 76 87 112 148Lantai 84 93 114 134Paving 52 79 99 106Karpet 37 70 77 92Kain 30 53 65 76Tikar 35 62 79 92Koran 44 55 72 97Kardus 63 74 98 107Tanah 15 46 49 61Stereofom 40 78 100 108

1. Uji Asumsi ANOVA

a. Normalitas

SPSS

Tests of Normality

Sudut

Kolmogorov-Smirnova Shapiro-Wilk

Statistic df Sig. Statistic df Sig.

Panjang 10 .167 10 .200* .959 10 .774

15 .130 10 .200* .968 10 .867

20 .205 10 .200* .944 10 .594

25 .208 10 .200* .960 10 .790

a. Lilliefors Significance Correction

*. This is a lower bound of the true significance.

Q-Q Plot sudut 10o

Q-Q Plot sudut 15o

Q-Q Plot sudut 20o

Q-Q Plot sudut 25o

Detrended sudut 10o

Detrended sudut 15o

Detrended sudut 20o

Detrended sudut 25o

Minitab

Sudut 10o

Sudut 15o

Sudut 20o

Sudut 25o

b. Linearitas

SPSS

ANOVA Table

Sum of Squares df Mean Square F Sig.

Panjang *

Sudut

Between

Groups

(Combined) 16368.075 3 5456.025 12.173 .000

Linearity 16254.045 1 16254.045 36.264 .000

Deviation from Linearity 114.030 2 57.015 .127 .881

Within Groups 16135.900 36 448.219

Total 32503.975 39

c. Homogenitas Variansi

SPSS

Test of Homogeneity of Variances

Panjang

Levene Statistic df1 df2 Sig.

.535 3 36 .662

Minitab

Test for Equal Variances: C1 versus C2

95% Bonferroni confidence intervals for standard deviations

C2 N Lower StDev Upper10 10 13,3623 21,3500 47,215915 10 9,6331 15,3916 34,038720 10 13,3624 21,3503 47,216525 10 15,8867 25,3835 56,1361

Bartlett's Test (normal distribution)Test statistic = 2,07; p-value = 0,557

Levene's Test (any continuous distribution)Test statistic = 0,48; p-value = 0,700

d. Independensi

Minitab

Chi-Square Test: panjang; sudut; alas

Expected counts are printed below observed countsChi-Square contributions are printed below expected counts

panjang sudut alas Total 1 76 10 1 87 66,88 15,31 4,81 1,242 1,839 3,018

2 84 10 2 96 73,80 16,89 5,31 1,409 2,810 2,061

3 52 10 3 65 49,97 11,44 3,59 0,082 0,180 0,098

4 37 10 4 51 39,21 8,97 2,82 0,124 0,118 0,494

5 30 10 5 45 34,60 7,92 2,49 0,610 0,548 2,536

6 35 10 6 51 39,21 8,97 2,82 0,452 0,118 3,587

7 44 10 7 61 46,90 10,73 3,37 0,179 0,050 3,901

8 63 10 8 81 62,27 14,25 4,48 0,009 1,267 2,769

9 15 10 9 34 26,14 5,98 1,88

4,747 2,700 26,968

10 40 10 10 60 46,13 10,56 3,32 0,814 0,029 13,461

11 87 15 1 103 79,18 18,12 5,69 0,771 0,537 3,870

12 93 15 2 110 84,57 19,35 6,08 0,841 0,979 2,740

13 79 15 3 97 74,57 17,06 5,36 0,263 0,250 1,041

14 70 15 4 89 68,42 15,66 4,92 0,036 0,028 0,172

15 53 15 5 73 56,12 12,84 4,04 0,174 0,362 0,230

16 62 15 6 83 63,81 14,60 4,59 0,051 0,011 0,434

17 55 15 7 77 59,20 13,55 4,26 0,297 0,156 1,767

18 74 15 8 97 74,57 17,06 5,36 0,004 0,250 1,296

19 46 15 9 70 53,82 12,31 3,87 1,135 0,586 6,799

20 78 15 10 103 79,18 18,12 5,69 0,018 0,537 3,254

21 112 20 1 133 102,25 23,40 7,35 0,930 0,493 5,490

22 114 20 2 136 104,55 23,93 7,52 0,853 0,644 4,051

23 99 20 3 122 93,79 21,46 6,75 0,289 0,100 2,080

24 77 20 4 101 77,65 17,77 5,58 0,005 0,280 0,449

25 65 20 5 90 69,19 15,83 4,98 0,254 1,097 0,000

26 79 20 6 105 80,72 18,47 5,81

0,037 0,126 0,007

27 72 20 7 99 76,11 17,42 5,47 0,222 0,383 0,426

28 98 20 8 126 96,87 22,17 6,97 0,013 0,212 0,153

29 49 20 9 78 59,97 13,72 4,31 2,005 2,872 5,095

30 100 20 10 130 99,94 22,87 7,19 0,000 0,360 1,100

31 148 25 1 174 133,77 30,61 9,62 1,514 1,028 7,724

32 134 25 2 161 123,77 28,32 8,90 0,845 0,390 5,351

33 106 25 3 134 103,02 23,57 7,41 0,086 0,086 2,624

34 92 25 4 121 93,02 21,29 6,69 0,011 0,648 1,082

35 76 25 5 106 81,49 18,65 5,86 0,370 2,164 0,126

36 92 25 6 123 94,56 21,64 6,80 0,069 0,522 0,094

37 97 25 7 129 99,17 22,69 7,13 0,048 0,234 0,002

38 107 25 8 140 107,63 24,63 7,74 0,004 0,006 0,009

39 61 25 9 95 73,03 16,71 5,25 1,983 4,109 2,674

40 108 25 10 143 109,94 25,16 7,91 0,034 0,001 0,554

Total 3059 700 220 3979

Chi-Sq = 171,532; DF = 78; P-Value = 0,00016 cells with expected counts less than 5.

2. Uji ANOVA

Excel

Anova: Two-Factor Without Replication

SUMMARY Count Sum Average VarianceRow 1 4 423 105,75 1020,25Row 2 4 425 106,25 500,25Row 3 4 336 84 586Row 4 4 276 69 539,3333Row 5 4 224 56 388,6667Row 6 4 268 67 606Row 7 4 268 67 532,6667Row 8 4 342 85,5 419Row 9 4 171 42,75 384,25Row 10 4 326 81,5 926,3333

Column 1 10 476 47,6 455,8222Column 2 10 697 69,7 236,9Column 3 10 865 86,5 455,8333Column 4 10 1021 102,1 644,3222

ANOVASource of Variation SS df MS F P-value F crit

Rows 14795,73 9 1643,969 33,120432,58E-

12 2,250131

Columns 16368,08 3 5456,025 109,92053,02E-

15 2,960351Error 1340,175 27 49,63611

Total 32503,98 39

SPSS

ANOVA

Panjang

Sum of Squares df Mean Square F Sig.

Between Groups 16368.075 3 5456.025 12.173 .000

Within Groups 16135.900 36 448.219

Total 32503.975 39

Minitab

Two-way ANOVA: panjang versus sudut; alas

Source DF SS MS F Psudut 3 16368,1 5456,02 109,92 0,000alas 9 14795,7 1643,97 33,12 0,000Error 27 1340,2 49,64Total 39 32504,0

S = 7,045 R-Sq = 95,88% R-Sq(adj) = 94,04%