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Vistaprint Senior Data Scientist Interview Questions and Answers
Vistaprint Senior Data Scientist Interview Experiences
1 interview found
Nikkitha V
(1 Question)
- Q1. Explain the project
(1 Question)
- Q1. Explain the project
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Anonymous
I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.
(1 Question)
- Q1. Print the nodes of a n-ary tree in an arc wise manner as seen from the outside.
- Ans.
Print nodes of n-ary tree in arc wise manner from outside
Traverse the tree level by level from outside to inside
Use a queue to keep track of nodes at each level
Print the nodes at each level in a clockwise or anticlockwise manner
Interview Preparation Tips
- n-ary tree
Skills evaluated in this interview
Amit Bansal
I applied via Referral and was interviewed in Aug 2024. There was 1 interview round.
I was asked question on sliding window on finding the largest subarray with all distinct numbers. The interviewer was very helpful.
(2 Questions)
- Q1. SQL Window function- hard
- Q2. Case study questions answers
It was easy consisting of sql and excel questions
Mostly DSA expect DP, graph problems
(1 Question)
- Q1. Graph traversal + DP
I applied via Approached by Company and was interviewed in Nov 2022. There were 4 interview rounds.
Live SQL Coding and Product sense questions. You can practice SQL using Stratascratch or Hackerrank. For product sense, refer to dataandmetrics.com or interviewquery.
Stats, ML and product questions.
(1 Question)
- Q1. Past experience and product case.
Interview Preparation Tips
- Stratascratch
- hackerrank
- dataandmetrics.com
- interviewquery.com
Selected
I applied via LinkedIn and was interviewed before Feb 2023. There were 4 interview rounds.
Approx 30 questions which are to be solved in 1 hour. Questions include logical and mathematical questions along with basic ML and stats questions
(1 Question)
- Q1. Basic questions related to Python and SQL
(1 Question)
- Q1. Advance SQL questions and 1 case study
(1 Question)
- Q1. Basic ML questions and Business acumen questions
I applied via Campus Placement and was interviewed before Aug 2022. There were 3 interview rounds.
The aptitude questions were bit easy and there were questions about SQL, and also excel sheets.
(1 Question)
- Q1. Questions about sql
Interview Preparation Tips
- SQL
- Excel
Basic Apititude Questions
(2 Questions)
- Q1. Difference between WHERE and HAVING??
- Ans.
WHERE is used to filter rows before grouping, HAVING is used to filter groups after grouping.
WHERE is used with SELECT statement to filter rows based on a condition
HAVING is used with GROUP BY statement to filter groups based on a condition
WHERE is applied before data is grouped, HAVING is applied after data is grouped
Example: SELECT * FROM table WHERE column = 'value'
Example: SELECT column, COUNT(*) FROM table GROUP B
- Q2. Where- Row Level Filters Having-Aggregate Filters
- Ans.
Row level filters are applied before aggregations, while aggregate filters are applied after aggregations.
Row level filters are used to filter individual rows of data before any aggregations are performed.
Aggregate filters are used to filter the aggregated results after the data has been grouped and summarized.
Row level filters are typically applied using WHERE clause in SQL, while aggregate filters are applied using H...
(2 Questions)
- Q1. Why do you wanna join Uber?
- Q2. Best Company Ever
Interview Preparation Tips
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Vistaprint Senior Data Scientist Interview Process
based on 1 interview
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Vistaprint Senior Data Scientist Reviews and Ratings
based on 1 review
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