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UNIVERSITI TUN HUSSEIN ONN MALAYSIA
FAKULTI PENDIDIKAN TEKNIKAL
ASAS PENGURUSAN DATA
BBR 23303
TUTORIAL 1(10%)
ARAHAN:
1. Tarikhpenghantarantutorial 1adalahpadapertemuankelima.
2. Andadikehendakimembuatsalinanuntuksimpanansendiri.
SOALAN:
1. Berikanperbezaan di antaraperkara-perkaraberikutsertaberikansatucontoh yang
sesuaibagisetiapsatu:
i. Pembolehubahkuantitatifdanpembolehubahkualitatif
ii. Pembolehubahdiskretdanpembolehubahselanjar
iii. Data terkumpuldan data takterkumpul
iv. Pembolehubah nominal danpembolehubah ordinal
v. Skalaseladanskalanisbah
2. Satupembolehubahkategorimempunyai 3 kategoridengankekerapanberikut:
Kategori Kekerapan
Protin
Karbohidrat
Lemak
18
23
9
i. Kirakanperatusnilaibagisetiapkategori
ii. Binasatucarta bar
iii. Binasatucartabulatan
3. Berikutadalahkeuntungantahunan (dalamjuta RM) dalamtempoh 11 tahun.
Tahun 1 2 3 4 5 6 7 8 9 10 11
Untung 12.0 15.0 18.0 21.0 21.5 21.6 21.5 21.0 18.0 15.0 12.0
i. Hitungkan min, median, dan mod.
ii. Hitungkanjulat, varians, dansisihanpiawai.
iii. Cariskor-z danskor-tuntukkeuntungan yang bernilai RM21.0 juta.
iv. Terangkanbentuk/taburan data.
4. Seorang guru inginmengetahuikeberkesanankaedahpengajaranbarudalammatematik di
sekolahrendah. Kaedahinitelahdigunakanuntukmengajar 85 orang
muriddansatuujiantelahdiberikan. Berikutadalahmarkahujian yang diperolehiolehmurid-
muridtersebut:
25 63 82 71 12 57 63 54 19 70 45 70
44 43 25 42 40 70 63 62 83 23 81 70
58 31 32 28 48 63 62 59 38 35 37 38
17 23 0 96 81 72 18 93 2 15 60 71
82 18 27 58 50 52 53 89 19 23 72 58
37 33 30 46 81 73 75 63 65 53 35 20
76 50 52 64 71 3 47 61 62 44 53 38
90
Denganmenganggapmarkah35sebagaisempadanbawahuntukkelaspertama;
a) Binakanjadualkekerapanlonggokandenganmenggunakanselakelas yang sesuai.
b) Denganmenggunakankertasgraf, lukissatu histogram danpoligonkekerapan.
5. Jadual di bawahmenunjukkan % pelajar yang mengambilbidang-bidangtertentubagipengajiantahun
1980 dantahun 2000. Merujukkepadajadualini, jawabsoalan-soalanberikut:
BidangPengajian 1980(%) 2000(%)
Kesihatan 55.0 58.0
Pendidikan 30.0 32.0
Kejuruteraan 5.0 4.0
Ekonomi&Perniagaan 10.0 6.0
a) Nyatakanjeniscartapalang yang sesuaiuntuk data inidanlukiskandenganlengkapcarta
palangtersebut.
b) Buatkanperbandingandanberikankesimpulanterhadapjurusan-jurusan yang diambilolehpelajar-
pelajartersebut di antaraduatahunitu.
UNIVERSITI TUN HUSSEIN ONN MALAYSIA
FAKULTI PENDIDIKAN TEKNIKAL
ASAS PENGURUSAN DATA
BBR 23303
TUTORIAL 2 (10%)
ARAHAN:
1. Tarikhpenghantarantutorial 2adalahpadapertemuankelima.
2. Andadikehendakimembuatsalinanuntuksimpanansendiri.
SOALAN:
1. Menurutpandangananda, apakah data yang sesuai yang
bolehdipersembahkandenganmenggunakancartapai? Terangkan.
2. Markah-markah yang diperolehioleh 10 orang muridpelajar-pelajartahun 6 SK ParitBunga Muar
adalahsepertiberikut:
68, 64, 60, 80, 78, 82, 64, 58, 70, 74
a) Cari min, mod dan median
b) Nyatakansukatankecenderunganmemusat yang
sesuaidigunakanuntukmewakilimarkahpelajaritu. Terangkan.
3. Jadualberikutmenunjukkanmarkahbagidua orang muriddalamlimaujian.
Murid Markah
A 51, 46, 39, 64, 70
B 48, 34, 56, 75, 57
a) Cari min dansisihanpiawaibagimarkahmurid A dan B
b) Bandingkandankomententangprestasikedua-dua orang muriditu.
4. BerikutmenunjukkanJadualTaburanKekerapanLonggokanberat 50 orang pelajar.
Berat (kg) KekerapanLonggokan
Kurangdaripada 35 0
Kurangdaripada 40 3
Kurangdaripada 45 12
Kurangdaripada 50 33
Kurangdaripada 55 46
Kurangdaripada 60 50
a) Cari i) Min, mod dan median
ii) Nyatakanjenistaburanbagi data ini
b) Cari i) Sukuanpertama (Q1) dansukuanketiga (Q3)
ii) P75
c) BinagrafKekerapanLonggokanPoligon.

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Tutorial pengurusan data (1)

  • 1. UNIVERSITI TUN HUSSEIN ONN MALAYSIA FAKULTI PENDIDIKAN TEKNIKAL ASAS PENGURUSAN DATA BBR 23303 TUTORIAL 1(10%) ARAHAN: 1. Tarikhpenghantarantutorial 1adalahpadapertemuankelima. 2. Andadikehendakimembuatsalinanuntuksimpanansendiri. SOALAN: 1. Berikanperbezaan di antaraperkara-perkaraberikutsertaberikansatucontoh yang sesuaibagisetiapsatu: i. Pembolehubahkuantitatifdanpembolehubahkualitatif ii. Pembolehubahdiskretdanpembolehubahselanjar iii. Data terkumpuldan data takterkumpul iv. Pembolehubah nominal danpembolehubah ordinal v. Skalaseladanskalanisbah 2. Satupembolehubahkategorimempunyai 3 kategoridengankekerapanberikut: Kategori Kekerapan Protin Karbohidrat Lemak 18 23 9 i. Kirakanperatusnilaibagisetiapkategori ii. Binasatucarta bar iii. Binasatucartabulatan 3. Berikutadalahkeuntungantahunan (dalamjuta RM) dalamtempoh 11 tahun. Tahun 1 2 3 4 5 6 7 8 9 10 11 Untung 12.0 15.0 18.0 21.0 21.5 21.6 21.5 21.0 18.0 15.0 12.0 i. Hitungkan min, median, dan mod. ii. Hitungkanjulat, varians, dansisihanpiawai. iii. Cariskor-z danskor-tuntukkeuntungan yang bernilai RM21.0 juta. iv. Terangkanbentuk/taburan data. 4. Seorang guru inginmengetahuikeberkesanankaedahpengajaranbarudalammatematik di sekolahrendah. Kaedahinitelahdigunakanuntukmengajar 85 orang
  • 2. muriddansatuujiantelahdiberikan. Berikutadalahmarkahujian yang diperolehiolehmurid- muridtersebut: 25 63 82 71 12 57 63 54 19 70 45 70 44 43 25 42 40 70 63 62 83 23 81 70 58 31 32 28 48 63 62 59 38 35 37 38 17 23 0 96 81 72 18 93 2 15 60 71 82 18 27 58 50 52 53 89 19 23 72 58 37 33 30 46 81 73 75 63 65 53 35 20 76 50 52 64 71 3 47 61 62 44 53 38 90 Denganmenganggapmarkah35sebagaisempadanbawahuntukkelaspertama; a) Binakanjadualkekerapanlonggokandenganmenggunakanselakelas yang sesuai. b) Denganmenggunakankertasgraf, lukissatu histogram danpoligonkekerapan. 5. Jadual di bawahmenunjukkan % pelajar yang mengambilbidang-bidangtertentubagipengajiantahun 1980 dantahun 2000. Merujukkepadajadualini, jawabsoalan-soalanberikut: BidangPengajian 1980(%) 2000(%) Kesihatan 55.0 58.0 Pendidikan 30.0 32.0 Kejuruteraan 5.0 4.0 Ekonomi&Perniagaan 10.0 6.0 a) Nyatakanjeniscartapalang yang sesuaiuntuk data inidanlukiskandenganlengkapcarta palangtersebut. b) Buatkanperbandingandanberikankesimpulanterhadapjurusan-jurusan yang diambilolehpelajar- pelajartersebut di antaraduatahunitu.
  • 3. UNIVERSITI TUN HUSSEIN ONN MALAYSIA FAKULTI PENDIDIKAN TEKNIKAL ASAS PENGURUSAN DATA BBR 23303 TUTORIAL 2 (10%) ARAHAN: 1. Tarikhpenghantarantutorial 2adalahpadapertemuankelima. 2. Andadikehendakimembuatsalinanuntuksimpanansendiri. SOALAN: 1. Menurutpandangananda, apakah data yang sesuai yang bolehdipersembahkandenganmenggunakancartapai? Terangkan. 2. Markah-markah yang diperolehioleh 10 orang muridpelajar-pelajartahun 6 SK ParitBunga Muar adalahsepertiberikut: 68, 64, 60, 80, 78, 82, 64, 58, 70, 74 a) Cari min, mod dan median b) Nyatakansukatankecenderunganmemusat yang sesuaidigunakanuntukmewakilimarkahpelajaritu. Terangkan. 3. Jadualberikutmenunjukkanmarkahbagidua orang muriddalamlimaujian. Murid Markah A 51, 46, 39, 64, 70 B 48, 34, 56, 75, 57 a) Cari min dansisihanpiawaibagimarkahmurid A dan B b) Bandingkandankomententangprestasikedua-dua orang muriditu. 4. BerikutmenunjukkanJadualTaburanKekerapanLonggokanberat 50 orang pelajar. Berat (kg) KekerapanLonggokan Kurangdaripada 35 0 Kurangdaripada 40 3 Kurangdaripada 45 12 Kurangdaripada 50 33 Kurangdaripada 55 46 Kurangdaripada 60 50 a) Cari i) Min, mod dan median ii) Nyatakanjenistaburanbagi data ini b) Cari i) Sukuanpertama (Q1) dansukuanketiga (Q3) ii) P75 c) BinagrafKekerapanLonggokanPoligon.