
Data Science 2.08 Quiz Review: Data Cleaning in Python
Authored by Natalie McIntosh
Computers
9th - 12th Grade
Used 1+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • Ungraded
Which of these best describes your current mood?
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A data scientist wants to make a scatterplot showing people's ages and their heights. What part of this data set needs to be cleaned?
change to numeric
drop duplicates
drop missing values
replace values
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A data scientist wants to make a pie chart showing different favorite colors. What part of this data set needs to be cleaned?
change to numeric
drop duplicates
reformat strings
replace values
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A data scientist wants to make a pie chart showing different favorite colors. What part of this data set needs to be cleaned?
change to numeric
drop duplicates
drop missing values
replace values
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A data scientist wants to make a line graph showing the price of gas over time. What part of this data set needs to be cleaned?
change to numeric
drop duplicates
drop missing values
replace values
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A data scientist wants to make a histogram showing various rectangle areas. Remember that the area of a rectangle is the length of the rectangle times the width. What part of this data set needs to be cleaned?
change to numeric
drop duplicates
drop missing values
replace values
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A data scientist wants to make a pie chart showing the ages of their friends. What part of this data set needs to be cleaned?
change to numeric
drop duplicates
drop missing values
replace values
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