iNeuron.ai Senior Data Analyst Interview Questions and Answers

Q1. Why should hire you?
View 1 more answer
Q2. What are your salary expectations?
View 1 more answer
Q3. What are your strengths?
View 1 more answer
Q4. Tell me about your self?
View 1 more answer
Q5. What are your hobbies?
Add your answer

Q1. What is overfitting in machine learning?
Ans. 
Overfitting occurs when a machine learning model learns the training data too well, including noise and outliers, leading to poor generalization on new data.
• Overfitting happens when a model is too complex and captures noise in the training data.

• It leads to poor performance on unseen data as the model fails to generalize well.

• Techniques to prevent overfitting include cross-validation, regularization, and early stopping.

• ...read more
Answered by AI
Add your answer
Q2. Overfitting accurs when a model learns the details.......etc
Ans. 
Overfitting occurs when a model learns the details and noise in the training data to the extent that it negatively impacts the model's performance on new data.
• Overfitting happens when a model is too complex and captures noise in the training data.

• It leads to poor generalization and high accuracy on training data but low accuracy on new data.

• Techniques to prevent overfitting include cross-validation, regularization, and...read more
Answered by AI
Add your answer

Quantitative aptitude, reasoning with time limit

Excel tasks were given. There were total 2 tasks related to excel. 1st one was basic and second one was moderate level of difficulty. SQL queries were basic.

Q1. Questions were from the Assignment only. Approach to the problems.
Add your answer

Q1. Basic HR questions like strength and weakness, why you want to join this organization
Add your answer

Code Signal MCQ around Data Analysis - Excel, SQL, Tableau, Joins Questions

Data Challenge: 10 days Take Home Case Study on Airlines Dataset

Q1. Round 1: Data Challenge Presentation Round 2: Behavioral 3 Questions, and 3 Sub Questions in Each. (STAR Format) Round 3: Case Study Round 4: Case Study
Add your answer
Q2. Same as above : 4 day power day
Add your answer

Was good...and easy with maths problems.

Coding with your suited programming language.

Q1. What is the pivot table in Excel
Ans. 
A pivot table in Excel is a data summarization tool that allows you to reorganize and summarize selected columns and rows of data.
• Allows users to summarize and analyze large datasets

• Can easily reorganize data by dragging and dropping fields

• Provides options to calculate sums, averages, counts, etc. for data

• Helps in creating interactive reports and charts

• Useful for identifying trends and patterns in data
Answered by AI
Add your answer
Q2. A pivot table is used to summarize...........etc.
Add your answer

Data Coding, 1hr, series of questions in excel