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Data Analysis Test

The Data Analysis Test assesses a candidate's ability to handle, modify, analyze and interpret data. The test uses scenario-based MCQ questions to screen for experience with analyzing data to find possible outcomes, detect anomalies, extract meaningful insights, project estimates and visualize data using charts and graphs. The test has 15 MCQ questions on data analysis, business analysis, data interpretation and SQL. The test will be customized according to your data analyst job description so that the questions and topics are relevant to your company.

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Screen candidates with a 30 mins test

Test duration:  30 mins
Difficulty level:  Moderate
Availability:  Ready to use
Questions:
  • 5 Data Analysis MCQs
  • 5 SQL MCQs
  • 5 Data Interpretation MCQs
Covered skills:
Basics of data modelling (Entities and Relations)
Basics of data analysis (Aggregations and Statistics)
Business analysis fundamentals
Data interpretation (Charts and Graphs)
Data queries and databases (SQL)
Data operations (Predictions and Anomalies)
Data investigations (Correlations and Ranking)
Popular data tools (Excel)
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Use the Data Analysis Assessment Test to shortlist qualified candidates

The Data Analysis Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Understanding the basics of data modelling including entities and relations
  • Applying data analysis techniques such as aggregations and statistics
  • Applying fundamentals of business analysis
  • Interpreting data using charts and graphs
  • Executing data queries and utilizing databases using SQL
  • Performing data operations including predictions and anomalies
  • Conducting data investigations including correlations and ranking
  • Utilizing popular data tools like Excel
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Screen candidates with the highest quality questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this Data Analysis Test will be non-googleable.

🧐 Question

Medium

Hiring Developer
Skewed Data
Graph
Solve
Two companies A and B hired developers from the year 2001 to 2005. The given bar graph shows the hiring details. 
 image
 image
Now select the statements that are true based on the given details.

A: The data given for Company A is skewed to the left.
B: The data given for Company B is skewed to the right.
C: The data given for Company A is skewed to the right.
D: For Company B, mean and mode are equal.
E: For Company B, mean is equal to median but less than mode.
F: For Company A, median is less than mode but greater than mean.

Medium

Negative correlation
Solve
Saffi, one of the popular schools in San Francisco did a school wide study of the students in middle school. The study found that there is a negative correlation between the time spent on Facebook per day by students and their academic achievement. How can we understand the results of this study?
A: An increase in time spent on Facebook per day causes a drop in the academic achievement of students at the middle school level.

B: There is an association between an increase in time spent on Facebook per day and the drop in the academic achievement of students at Saffi. 

C: An increase in the time spent on Facebook per day causes a drop in the academic achievement of students at Saffi. 

D: There is an association between an increase in time spent on Facebook per day and the drop in the academic achievement of students at the middle school level.

Hard

Find the customer with the most spend 2
JOIN
GROUP BY
ORDER BY
Solve
Given details of customers, products, and sales, write a SQL query to find the customer with the highest spend. The customer with the highest spend is the one who has spent the most money on purchases. The query should return the full name of the customer and the total amount spent by the customer rounded off to the nearest integer.
full_name is the concatenation of first_name and last_name separated by a space. Eg:
first_name = 'Alice', last _name = 'Brown' => full_name = 'Alice Brown'
You can assume that there will always be non-empty first_name and non-empty last_name entries for all customers in the table.
 image

Medium

Multi Select
JOIN
GROUP BY
Solve
Consider the following SQL table:
 image
How many rows does the following SQL query return?
 image

Medium

nth highest sales
Nested queries
User Defined Functions
Solve
Consider the following SQL table:
 image
Which of the following SQL commands will find the ‘nth highest Sales’ if it exists (returns null otherwise)?
 image

Medium

Select & IN
Nested queries
Solve
Consider the following SQL table:
 image
Which of the following SQL queries would return the year when neither a football or cricket winner was chosen?
 image

Medium

Sorting Ubers
Nested queries
Join
Comparison operators
Solve
Consider the following SQL table:
 image
What will be the first two tuples resulting from the following SQL command?
 image

Hard

With, AVG & SUM
MAX() MIN()
Aggregate functions
Solve
Consider the following SQL table:
 image
How many tuples does the following query return?
 image

Medium

Dividends
Financial Analysis
Percentage and Average Calculations
Solve
Consider the following line chart which shows the money invested by a company in production each year and the sales made by the company each year. If the pie chart shows the shareholding pattern of the company and the company gives 10% of the profit as dividends to its share holders then what is the average dividend received by retail investors from 2000 to 2004?
 image
 image

Medium

Laptop Brands
Proportions and Percentages
Financial Reasoning
Solve
Given below is the list of laptop brands and their details in which some data is missing. If the cost price of Dell is 3/5 of the cost price of Lenovo, then what will be the %profit of Dell?
 image

Hard

Median
Trend Analysis
Statistical Reasoning
Solve
 Consider the following line chart which shows the sales of five different companies from 2000 to 2009. Which of the following companies has the maximum percentage increase in the median from 2000 to 2004 and 2005 to 2009.
 image
🧐 Question🔧 Skill

Medium

Hiring Developer
Skewed Data
Graph

3 mins

Data Analysis
Solve

Medium

Negative correlation

2 mins

Data Analysis
Solve

Hard

Find the customer with the most spend 2
JOIN
GROUP BY
ORDER BY

10 mins

SQL
Solve

Medium

Multi Select
JOIN
GROUP BY

2 mins

SQL
Solve

Medium

nth highest sales
Nested queries
User Defined Functions

3 mins

SQL
Solve

Medium

Select & IN
Nested queries

3 mins

SQL
Solve

Medium

Sorting Ubers
Nested queries
Join
Comparison operators

3 mins

SQL
Solve

Hard

With, AVG & SUM
MAX() MIN()
Aggregate functions

2 mins

SQL
Solve

Medium

Dividends
Financial Analysis
Percentage and Average Calculations

3 mins

Data Interpretation
Solve

Medium

Laptop Brands
Proportions and Percentages
Financial Reasoning

2 mins

Data Interpretation
Solve

Hard

Median
Trend Analysis
Statistical Reasoning

3 mins

Data Interpretation
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Hiring Developer
Skewed Data
Graph
Data Analysis
Medium3 mins
Solve
Negative correlation
Data Analysis
Medium2 mins
Solve
Find the customer with the most spend 2
JOIN
GROUP BY
ORDER BY
SQL
Hard10 minsSolve
Multi Select
JOIN
GROUP BY
SQL
Medium2 mins
Solve
nth highest sales
Nested queries
User Defined Functions
SQL
Medium3 mins
Solve
Select & IN
Nested queries
SQL
Medium3 mins
Solve
Sorting Ubers
Nested queries
Join
Comparison operators
SQL
Medium3 mins
Solve
With, AVG & SUM
MAX() MIN()
Aggregate functions
SQL
Hard2 mins
Solve
Dividends
Financial Analysis
Percentage and Average Calculations
Data Interpretation
Medium3 mins
Solve
Laptop Brands
Proportions and Percentages
Financial Reasoning
Data Interpretation
Medium2 mins
Solve
Median
Trend Analysis
Statistical Reasoning
Data Interpretation
Hard3 mins
Solve

Test candidates on core Data Analysis Hiring Test topics

Basics of data modelling (Entities and Relations): Data modelling involves designing the structure of a database, identifying the entities (objects or concepts) and their relationships. This skill is measured in the test to evaluate the candidate's ability to organize and represent data effectively, ensuring data integrity and optimizing database performance.

Basics of data analysis (Aggregations and Statistics): Data analysis involves examining, cleansing, transforming, and modeling data to uncover meaningful insights. This skill is measured in the test to assess the candidate's familiarity with key concepts like aggregations (sums, averages, etc.) and statistical measures (mean, median, etc.), enabling them to explore, summarize, and interpret data accurately.

Business analysis fundamentals: Business analysis involves identifying business needs, recommending solutions, and facilitating the implementation of changes. This skill is measured in the test to gauge the candidate's understanding of essential techniques and tools used in business analysis, such as SWOT analysis, stakeholder analysis, and requirements elicitation, to ensure their proficiency in analyzing and solving business problems.

Data interpretation (Charts and Graphs): Data interpretation involves understanding and deriving insights from visual representations like charts and graphs. This skill is measured in the test to evaluate the candidate's ability to interpret and analyze data visually, enabling them to effectively communicate important findings and trends to stakeholders.

Data queries and databases (SQL): Data queries and databases involve using Structured Query Language (SQL) to retrieve, manipulate, and manage data in relational database systems. This skill is measured in the test to assess the candidate's proficiency in writing SQL queries, ensuring they can effectively extract and manipulate data to support various business requirements.

Data operations (Predictions and Anomalies): Data operations involve predicting future outcomes and identifying anomalies or outliers in data. This skill is measured in the test to ascertain the candidate's knowledge and ability in using statistical techniques, machine learning algorithms, and data mining methods to perform predictive modeling and anomaly detection for valuable data-driven insights.

Data investigations (Correlations and Ranking): Data investigations involve exploring relationships between variables, identifying correlations, and ranking data based on specific criteria. This skill is measured in the test to evaluate the candidate's capability to analyze and interpret statistical relationships, enabling them to uncover patterns, make informed decisions, and identify key factors influencing outcomes.

Popular data tools (Excel): Popular data tools include software applications like Microsoft Excel, which offer features for data analysis, manipulation, and visualization. This skill is measured in the test to determine the candidate's proficiency in using Excel's advanced functions, formulas, and features for data processing, analysis, and reporting, thereby assessing their ability to leverage this widely used data tool effectively.

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Have questions about the Data Analysis Hiring Test?

How does pricing work?

You can check out our pricing plans.

Can I customize the test?

Yes, absolutely. Custom assessments are set up within 48 hours based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test. You can also customize a test by uploading your own questions.

Can I combine multiple skills into one test?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

What roles can I use the Data Analysis Assessment Test for?

Here are few roles for which we recommend this test:

  • Data Analyst
  • Senior Data Analyst
  • Data Analyst SQL
  • Marketing Analyst
  • Business Analyst
  • Data Assistant
Can I see a sample test, or do you have a free trial?

Yes!

The free trial includes one sample technical test (Java/ JavaScript) and one sample aptitude test that you will find in your dashboard when you sign up. You can use it to review the quality of questions and the candidate experience of giving a test on Adaface.

You can preview any of the 500+ tests and see the sample questions to decide if it would be a good fit for your requirements.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

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