Module 2 Review

Module 2 Review

Professional Development

20 Qs

quiz-placeholder

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Module 2 Review

Module 2 Review

Assessment

Quiz

Computers

Professional Development

Practice Problem

Medium

Created by

Median Hardiv

Used 48+ times

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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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