Data Science for Beginners 2

Data Science for Beginners 2

Professional Development

10 Qs

quiz-placeholder

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Data Science for Beginners 2

Data Science for Beginners 2

Assessment

Quiz

Other

Professional Development

Practice Problem

Hard

Created by

Goh Kheng

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A spreadsheet in pandas is called a dataframe, then a column is call _____?

list

dictionary

series

array

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pandas function is used to import csv file into Python?

read_excel()

read_csv()

load_csv()

read_json()

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given a dataframe containing columns 'age', 'gender', 'occupation', 'salary', and 'BMI', how to group the rows of data according to 'gender'?

use groupby() function

use iloc() function

use pivot_table() function

use info() function

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the most frequently occurring value(s) in a set of data

mode

mean

median

range

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following is(are) nominal categorical data?

(Hint: you can select more than one answer)

favourite colour

subjects taken in a semester

age groups

country of residence

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following is(are) used to describe the spread of a dataset?

(Hint: you can choose multiple answer)

mean

skewness

inter-quartile range

homogeneity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which graph is best to visualise the spread of a continuous dataset?

histogram

scatter plot

pie chart

contour plot

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