Pearson Interview Questions

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Pearson Interview Questions

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

QuestionTopicDifficulty
SQL
Medium

Given a table called user_experiences, write a query to determine the percentage of users that held the title of "Data Analyst" immediately before holding the title "Data Scientist".

Immediate is defined as the user holding no other titles between the "Data Analyst" and "Data Scientist" roles.

Example:

Input:

user_experiences table

Column Type
id INTEGER
position_name VARCHAR
start_date DATETIME
end_date DATETIME
user_id INTEGER

Output:

Column Type
percentage FLOAT
SQL
Hard
A/B Testing
Medium
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Pearson Salaries by Position

$118K
$149K
Product Manager
Median: $140K
Mean (Average): $135K
Data points: 3
$65K
$175K
Software Engineer
Median: $125K
Mean (Average): $128K
Data points: 24
$111K
$115K
ML Engineer
Median: $115K
Mean (Average): $113K
Data points: 3

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

From the graph we can see that on average the Product Manager role pays the most with a $135,000 base salary while the ML Engineer role on average pays the least with a $113,333 base salary.

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