ICF Interview Questions

ICF Interview Guides

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Behavioral
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Machine Learning
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Data Structures & Algorithms
(1)

ICF Interview Questions

Practice for the ICF interview with these recently asked interview questions.

QuestionTopicDifficulty
Data Structures & Algorithms
Medium

You’re given a dataframe containing a list of user IDs and their full names (e.g. ‘James Emerson’).

Transform this dataframe into a dataframe that contains the user ids and only the first name of each user.

Example:

Input:

user_id name
1034 James Emerson
9430 Fiona Woodward
7281 Alvin Gross
5264 Deborah Handler
8995 Leah Xue

Output:

user_id name
1034 James
9430 Fiona
7281 Alvin
5264 Deborah
8995 Leah
Behavioral
Medium
Machine Learning
Medium
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ICF Salaries by Position

Business Analyst*
$130K
Business Analyst
Median: $130K
Mean (Average): $130K
Data points: 1
Software Engineer*
$64K
$139K
Software Engineer
Median: $102K
Mean (Average): $102K
Data points: 2
Data Scientist*
$75K
Data Scientist
Median: $75K
Mean (Average): $75K
Data points: 1

Most data science positions fall under different position titles depending on the actual role.

From the graph we can see that on average the Business Analyst role pays the most with a $130,000 base salary while the Data Scientist role on average pays the least with a $75,000 base salary.

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