SOAL
Mahasiswa
DIV-Gizi Poltekkes Kemenkes Malang memiliki kelompok ilmiah untuk membuat
produk-produk pengembangan pangan untuk mengatasi masalah gizi, yaitu kue talam,
es secang dan siomay ayam dan jantung pisang. Lalu mereka menjual produk-produk
tersebut setiap hari minggu saat CFD di Kota Malang selama 10 Minggu. Berikut
data hasil penjualan produk pangan tersebut :
Minggu |
Kue talam |
Es secang |
Siomay ayam dan jantung pisang |
1 |
52 |
48 |
34 |
2 |
45 |
36 |
32 |
3 |
48 |
33 |
37 |
4 |
36 |
38 |
35 |
5 |
39 |
49 |
42 |
6 |
41 |
51 |
41 |
7 |
42 |
35 |
43 |
8 |
35 |
42 |
45 |
9 |
60 |
40 |
41 |
10 |
55 |
39 |
40 |
JAWABAN
Tests of Normality |
|||||||
|
produk |
Kolmogorov-Smirnova |
Shapiro-Wilk |
||||
|
Statistic |
df |
Sig. |
Statistic |
df |
Sig. |
|
penjualan |
kue talam |
.154 |
10 |
.200* |
.951 |
10 |
.678 |
es secang |
.170 |
10 |
.200* |
.922 |
10 |
.372 |
|
siomay |
.193 |
10 |
.200* |
.945 |
10 |
.613 |
|
*. This is a lower bound of the true significance. |
|||||||
a. Lilliefors Significance Correction |
Descriptives |
|
||||||||
penjualan |
|
||||||||
|
N |
Mean |
Std. Deviation |
Std.
Error |
95%
Confidence Interval for Mean |
Minimum |
Maximum |
|
|
Lower
Bound |
Upper
Bound |
|
|||||||
kue talam |
10 |
45.3000 |
8.32733 |
2.63333 |
39.3430 |
51.2570 |
35.00 |
60.00 |
|
es secang |
10 |
41.1000 |
6.26188 |
1.98018 |
36.6205 |
45.5795 |
33.00 |
51.00 |
|
siomay |
10 |
39.0000 |
4.26875 |
1.34990 |
35.9463 |
42.0537 |
32.00 |
45.00 |
|
Total |
30 |
41.8000 |
6.81479 |
1.24420 |
39.2553 |
44.3447 |
32.00 |
60.00 |
|
Test of Homogeneity of
Variances |
|||||
|
Levene
Statistic |
df1 |
df2 |
Sig. |
|
penjualan |
Based on Mean |
2.307 |
2 |
27 |
.119 |
Based on Median |
1.768 |
2 |
27 |
.190 |
|
Based on Median and with adjusted df |
1.768 |
2 |
23.250 |
.193 |
|
Based on trimmed mean |
2.176 |
2 |
27 |
.133 |
ANOVA |
|||||
penjualan |
|||||
|
Sum of
Squares |
df |
Mean
Square |
F |
Sig. |
Between Groups |
205.800 |
2 |
102.900 |
2.435 |
.107 |
Within Groups |
1141.000 |
27 |
42.259 |
|
|
Total |
1346.800 |
29 |
|
|
|
Multiple Comparisons |
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Dependent
Variable: penjualan |
||||||
LSD |
||||||
(I) produk |
(J) produk |
Mean
Difference (I-J) |
Std.
Error |
Sig. |
95%
Confidence Interval |
|
Lower
Bound |
Upper
Bound |
|||||
kue talam |
es secang |
4.20000 |
2.90721 |
.160 |
-1.7651 |
10.1651 |
siomay |
6.30000* |
2.90721 |
.039 |
.3349 |
12.2651 |
|
es secang |
kue talam |
-4.20000 |
2.90721 |
.160 |
-10.1651 |
1.7651 |
siomay |
2.10000 |
2.90721 |
.476 |
-3.8651 |
8.0651 |
|
siomay |
kue talam |
-6.30000* |
2.90721 |
.039 |
-12.2651 |
-.3349 |
es secang |
-2.10000 |
2.90721 |
.476 |
-8.0651 |
3.8651 |
|
*. The mean difference is significant at the 0.05
level. |
KESIMPULAN
Pada rata-rata penjualan produk terdapat
p-value 0, 107 > α (0,05), maka H1 diterima yang berarti
tidak ada perbedaan yang signifikan pada rata-rata penjualan produk
pengembangan mahasiswa DIV-Gizi poltekkes Malang.
Untuk rata-rata penjualan produk kue
talam dan es secang, es secang dan siomay, tidak ada perbedaan yang signifikan
(0,160 dan 0,476),
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