Postman Data Analyst Interview Questions-Updated 2022
Postman Data Analyst Interview Questions
Company Interviewing for – POSTMAN
Role – Data Analyst
Location – Bangalore, India
Postman Data Analyst Interview Questions
Round 1 – Technical
Topics covered – Aptitude,SQL,Data Interpretation
Mode of interview – Hackerrank
Duration – 45 Minutes
Level of Questions – Medium
A few questions below from this round
Which of the following testing is concerned with making decisions using data?
a) Probability
b) Hypothesis
c) Causal
d) None of the mentioned
Which of the following tool is used for estimating standard errors and the bias of estimators?
a) knitr
b) jackknife
c) ggplot2
d) all of the mentioned
Which of the following is correct with respect to residuals?
a) Positive residuals are above the line, negative residuals are below
b) Positive residuals are below the line, negative residuals are above
c) Positive residuals and negative residuals are below the line
d) All of the mentioned
Which statement upgrades the database directory name encoding?
a) ALTER DATABASE
b) ALTER SERVER
c) ALTER EVENT
d) ALTER FUNCTION
d) None of the mentioned
(A) Exponential scale
(B) Goodness scale
(C) Ratio scale
(D) Satisfactory scale
(A) Statistics in production
(B) Statistics in marketing
(C) Statistics in finance
(D) Statistics in personnel management
Round 2 – Technical Round
Topics covered – Work experience + Case Study
Mode of interview – Hangout
Duration – 1 hour
Level of Questions – Medium
A few questions below from this round:
How would you develop a category & make sure it grows WOW
Why all could be the cause of revenue decrease for the E-Com company? and basic data analysis from the data set given.
Getting around this (https://www.kaggle.com/allunia/e-commerce-sales-forecast ) data and finding the prospect hypothesis from the data.
There was a case study on Postman data also, can’t share the details here.
Round 3- Technical
Topics- Statistics, Machine Learning
Mode of Interview- Video Call
Duration – 1 hour
Level of questions- Medium
A few questions from this round:
- Describe your experience with qualitative and quantitative methods.
- What is the difference between trees and random forest?
- Based on the data we provide you what kinds of questions would you ask to
- prove that the programs we’re offering that generate said data are adding value
- to the company?
- How will you design to scale billions and billions of records
- Define parametric and non-parametric methods. Give some examples.
- What are the data structures in Python?
- What are the data structures in the Pandas package in Python?
- What are generator, iterators, list comprehension in Python?
Round 4 – HR
Topics covered – Personal Questions
Mode: Telephone Call
Duration – 1 hour
Level of Questions – NA
What are your interests? Why do you want to join Postman?
Your roles and responsibilities in the current organization?
A few questions on projects were also asked.
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