Module 2 Quiz Preparation

Module 2 Quiz Preparation

Professional Development

20 Qs

quiz-placeholder

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Module 2 Quiz Preparation

Module 2 Quiz Preparation

Assessment

Quiz

Computers

Professional Development

Practice Problem

Hard

Created by

Median Hardiv

Used 23+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Misalkan kita membuat array/list dengan nama variabel x dan berisi sesuai dengan gambar. Agar dapat mengambil array berikut:

array([[11, 14, 16],

[21, 24, 26],

[31, 34, 36]])

maka code yang tepat adalah

x[-4:-1, np.array([1, 4, 6])]

x[1:4, np.array([1, 4, 6])]

x[-4:-1, np.array([-9, -6, -4])]

x[1:4, np.array([-9, -6, -4])]

Semua jawaban benar

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika kita ingin generate array 2-D mengandung 3 baris dan 5 kolom random integer dari 0 sampai 100, maka code yang tepat digunakan adalah

random.rand(3,5)

random.randint(100, size=(3, 5))

Tidak ada yang benar

random.randint(100, size=(5, 3))

random.randn(3,5)

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Jika kita memiliki df1 (atas) dan df2 (bawah) seperti pada gambar dan ingin menampilkan data seperti data di bawah ini:

A B C D F

A0 B0 C0 D0 NaN

A1 B1 C1 D1 NaN

A2 B2 C2 D2 NaN

A3 B3 C3 D3 NaN

NaN B0 NaN D0 F0

NaN B1 NaN D1 F1

NaN B3 NaN D3 F3

NaN B4 NaN D4 F4

maka code yang tepat digunakan adalah

join = pd.concat([df1, df2], axis=0, join='outer')

join = pd.concat([df1, df2], axis=1, join='inner')

join = pd.concat([df1, df2], axis=0, join='inner')

Tidak ada yang benar.

join = pd.concat([df1, df2], axis=1, join='outer')

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Jika kita ingin mengetahui jumlah data `clarity` yang unik pada data `diamonds`, code yang tepat digunakan adalah

df['clarity'].nunique()

Semua pilihan benar.

len(pd.unique(df['clarity']))

len(df['clarity'].unique())

len(df['clarity'].value_counts())

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Manakah cara yang tepat untuk mencari median harga berlian dengan jumlah carat lebih dari 0.1?

df[df['carat']>=0.1]['price'].median()

df[df['carat']==0.1]['price'].sum()/len(df[df['carat']==0.1])

df[df['carat']>0.1]['price'].median()

df.loc[df['carat']>0.1, 'price'].mean()

Semua jawaban benar

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Interpretasi manakah yang tepat untuk menggambarkan output dari kode berikut berdasarkan gambar tersebut:

df.groupby('cut').mean().sort_values('depth', ascending=True)['depth'].iloc[:3]

3 `cut` dengan rata-rata `depth` terendah

3 `cut` dan `depth` dengan rata-rata `depth` tertinggi

3 `cut` dan `depth` dengan rata-rata `depth` terendah

3 `cut` dengan rata-rata `depth` tertinggi

Rata-rata `depth` berdasarkan `cut`nya

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Berdasarkan gambar berikut, mana cara yang paling tepat untuk melakukan uji korelasi antara `depth` dan `table`?

df[['depth','table']].corr()

df.corr()[['depth','table']]

df['depth'].corr(df['table'])

df['depth'].corr(df['table'], method = 'pearson')

df['depth'].corr(df['table'], method = 'spearman')

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