5 Sterling & Wilson Data Science Analyst Interview Questions & Answers | Complete Prep Guide 2025

Sterling & Wilson Data Science Analyst Interview Experiences

1 interview found

Data Science Analyst Interview Questions & Answers

Anonymous

posted on 15 Aug 2024

Interview experience

Good

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Selected

I applied via Company Website and was interviewed in Jul 2024. There were 3 interview rounds.

Round 1 - Aptitude Test

Is their has 30 min to solve 30 question
and topic has the check English , English Grammar

Round 2 - Coding Test

Check the code of Python and Data Science program
It also has 30 min and 30 Question

Round 3 - HR

(5 Questions)

Q1. Tell me the difference between List and Tuple ?

Ans.

List is mutable, Tuple is immutable in Python.

List can be modified after creation, Tuple cannot be modified.
List is defined using square brackets [], Tuple is defined using parentheses ().
List is used for collections of items that may change, Tuple is used for fixed collections.
Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)

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Q2. Can we use logistic regression for multi class classification ?

Ans.

Yes, logistic regression can be used for multi class classification by using techniques like one-vs-rest or softmax.

Logistic regression is typically used for binary classification, but it can be extended to handle multiple classes.
One common approach is to use one-vs-rest (OvR) strategy, where a separate binary logistic regression model is trained for each class.
Another approach is to use softmax regression, which is a...

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Q3. What is built in data

Ans.

Built-in data refers to pre-existing datasets or information that is already included in a software or system.

Built-in data is typically provided by the software or system for analysis or processing.
Examples include sample datasets in statistical software like R or Python libraries like scikit-learn.
Built-in data can also refer to default datasets in databases or data warehouses.
It can save time and effort by providing

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Q4. What is Decorators in python ?

Ans.

Decorators in Python are functions that modify the behavior of other functions.

Decorators are denoted by the @ symbol followed by the decorator name.
They are commonly used for logging, timing, authentication, etc.
Decorators can be used to add functionality to existing functions without modifying their code.

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Q5. What is Lambda function ?

Ans.

A lambda function is a small anonymous function defined without a name.

Lambda functions are used for creating small, one-time use functions.
They can take any number of arguments, but can only have one expression.
Lambda functions are often used in conjunction with higher-order functions like map, filter, and reduce.
Example: lambda x: x*2 defines a lambda function that doubles the input x.

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Interview Preparation Tips

Topics to prepare for Sterling & Wilson Data Science Analyst interview:

Presentation Skills
Expression
Siebel configuration

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Interview Tips & Stories

I have been shortlisted for an interview at Bloomberg for the investment / real estate reporter role. How can I prepare for the interview? What all do I need to keep in mind for my prep? Please help, I am very nervous! Thank you

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Anonymous

posted on 28 Feb 2024

Interview experience

Good

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Not Selected

I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.

Round 1 - Technical

(1 Question)

Q1. Simple question they asked

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Interview Preparation Tips

Topics to prepare for ABB Business Analyst interview:

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Anonymous

posted on 31 Dec 2024

Interview experience

Average

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Not Selected

I applied via Monster and was interviewed in Dec 2024. There was 1 interview round.

Round 1 - Technical

(2 Questions)

Q1. Advanced Financial Reporting

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Q2. General Costing Knowledge

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Data Analyst Interview Questions & Answers

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Anonymous

posted on 26 Jun 2024

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Not Selected

I applied via Referral and was interviewed in Dec 2023. There was 1 interview round.

Round 1 - Technical

(3 Questions)

Q1. Explain Order of execution in SQL

Ans.

Order of execution in SQL determines the sequence in which different clauses are processed in a query.

SQL query is processed in the following order: FROM, WHERE, GROUP BY, HAVING, SELECT, ORDER BY.
FROM clause is processed first to retrieve data from tables.
WHERE clause filters the data based on specified conditions.
GROUP BY clause groups the data based on specified columns.
HAVING clause filters the grouped data.
SELECT ...

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Q2. Sumifs function

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Q3. Boxplots?Histograms?

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Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on SQL AND EXCEL

Skills evaluated in this interview

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Anonymous

posted on 19 Oct 2022

I applied via Naukri.com and was interviewed in Sep 2022. There were 2 interview rounds.

Round 1 - Aptitude Test

Well, I’m currently an account executive at Smith, where I handle our top-performing client. Before that, I worked at an agency where I was on three different major national healthcare brands. And while I really enjoyed the work that I did, I’d love the chance to dig in much deeper with one specific healthcare company, which is why I’m so excited about this opportunity with Metro Health Center

Round 2 - HR

(3 Questions)

Q1. Basic and in general Basic is good

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Q2. How are you?Walk me through your resume.

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Q3. Walk me through your redume

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Interview Preparation Tips

Interview preparation tips for other job seekers - Good job never fails to find path butWell, I’m currently an account executive at Smith, where I handle our top-performing client. Before that, I worked at an agency where I was on three different major national healthcare brands. And while I really enjoyed the work that I did, I’d love the chance to dig in much deeper with one specific healthcare company, which is why I’m so excited about this opportunity with Metro Health Center.”

Analyst Interview Questions & Answers

Schneider Electric

Anonymous

posted on 29 Aug 2024

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

2-4 weeks

Result

Selected

I applied via LinkedIn and was interviewed before Aug 2023. There was 1 interview round.

Round 1 - HR