
Kelompok 2 - Data Science Batch 28
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Information Technology (IT)
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tipe data yang menghasilkan bentuk keluaran nilai True dan False (Benar dan salah) adalah :
Boolean
String
Char
Integer
Float
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elemen dari sebuah array harus mempunyai tipe data yang sama dalam karakteristik array, yaitu…
Dinamis
String
Homogen
Heterogen
Statis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang termasuk tipe data compsite adalah…
Array
Numeric
Integer
Real
Boolean
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Anda memiliki dataset berikut yang diambil dari sebuah survei:
* id: Nomor identifikasi responden (integer). * name: Nama responden (string). * income: Pendapatan tahunan dalam ribuan dolar (float). * category: Kategori pengeluaran terbanyak: “makanan”, “transportasi”, “hiburan” (string). * spend_perc: Persentase pendapatan yang dihabiskan (float). Setelah dilakukan encoding pada variabel category, tipe data apa yang paling tepat untuk setiap variabel ?
id: integer, name: categorical, income: float, category: categorical, spend_perc: float
id: integer, name: string, income: float, category: integer, spend_perc: float
id: categorical, name: string, income: categorical, category: categorical, spend_perc: float
id: float, name: string, income: float, category: categorical, spend_perc: categorical
id: integer, name: string, income: float, category: float, spend_perc: float
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tipe floating-point di gunakan untuk merepresentasikan nilai yang mengandung pecahan atau angka decimal di belakang koma, dibedakan menjadi dua jenis yaitu ...
Char-Boolean
Float-Double
Class-Array
Boolean-Double
Float-Array
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seorang peneliti mengumpulkan data tinggi badan dari 8 orang, yaitu 150 cm, 155 cm, 160 cm, 165 cm, 170 cm, 175 cm, 160 cm, dan 165 cm. Berapakah nilai rata-rata (mean) tinggi badan dari data tersebut?
165.5
164.2
162.5
163
165
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari data tinggi badan yang sama, hitung median-nya!
170
164.5
162.5
166.5
160.5
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