Module 2 Review
Quiz
•
Computers
•
Professional Development
•
Practice Problem
•
Medium
Median Hardiv
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perintah agar dapat menampilkan data dari baris ke 3 sampai 10 pada kolom yang mempunyai nama "Restoran A" dan "Restoran B"
df.loc[3:11, ["Restoran A","Restoran B"]]
df[2:10][["Restoran A","Restoran B"]]
df.iloc[2:10, ["Restoran A","Restoran B"]]
df[["Restoran A","Restoran B"]]
Semua benar
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Fungsi yang digunakan saat kita ingin membuat angka acak berdistribusi normal adalah
numpy.random.randint()
numpy.random.randn()
numpy.random.random()
numpy.random.random_sample()
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Manakah dari syntax ini yang akan mereturn index bernama "foo" dari DataFrame "df"?
df['foo']
Tidak ada jawaban yang benar
df.loc['foo',:]
df.loc[:,'foo']
df['foo'][:]
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Mana diantara pernyataan berikut yang menjadi hal paling penting di Data Science?
jawaban
data
pertanyaan
Tidak ada jawaban benar
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
import numpy as np
arr = np.arange(1,21)
arr = arr.reshape(-1)
print(arr)
Output dari syntax ini adalah ...
[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20]
[[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20]]
[[ 1] [ 2] [ 3] [ 4] [ 5] [ 6] [ 7] [ 8] [ 9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]]
[20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1]
Error
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
F_onewayResult(statistic=4.809836065573772, pvalue=0.0163405142361861)
Kemungkinan kesimpulan yang dapat diambil dari hasil diatas adalah
Seluruh kelompok sample memiliki perbedaan rata-rata yang signifikan
Seluruh kelompok sample memiliki rata-rata yang sama
Salah satu kelompok sample memiliki rata-rata yang berbeda dari kelompok sample yang lainnya
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
from scipy.stats import ttest_1samp
import numpy as np
ages = np.round(np.random.normal(30,4,40))
ttest_1samp(ages,26)
Apakah perintah untuk melakukan uji T-test 1 sample sudah tepat?
Tepat
Salah
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